Diskusné fórum

VF22 This turbo has the highest output potential of all of the IHI VF series turbos and is the best choice for those who are looking for loads of top end power. The top end power however, does not come without a cost. The VF22 spools significantly slower than the rest of the IHI models due to the larger P20 exhaust housing and is much less suited for daily driving than some of the other models. Although the largest VF series turbo, the VF22 is not quite optimal for stroked engines or those who wish to run more than 20PSI of boost.

VF23 This turbo is considered a great all-around turbo. Like the VF22 it utilizes the largest P20 exhaust housing. This housing is mated with a smaller compressor housing of the of the VF24. This turbo is considered optimal in applications with range from mild to slightly wild. It does not have the same top end power of the VF22, but spools up significantly quicker.

VF24 This turbo shares its compressor housing with the VF23 however, this housing is mated with a smaller (P18) exhaust side. The smaller characteristics of this turbo allow it to provide ample bottom end power and quick spool. This turbo is very popular for Imprezas with automatic transmissions and Group N rally cars.

VF28 This turbo came standard on the STi Version 5. In terms of overall size, it is smaller than the VF22, VF30 and VF34, and about same size as the VF23.

VF29 This Turbo is nearly identical to the VF24, with the same compressor and exhaust housings. However the compressor wheel in the VF29 is has been changed slightly. The changes made to the compressor wheel in this model are generally viewed as improvements, and as such this unit is typically chosen over the VF24.

VF30 The VF30 is commonly considered the best bang for the buck turbo in the IHI VF series line. A relatively new model the VF30 features the same exhaust housing as the VF24 but a larger compressor side similar to the VF22. The combination of these two parts results in increased output potential without the lag associated with the VF22. Although it doesn't offer the top end supremacy of the VF22, the VF30 is a great compromise between these unit and the quicker spooling models.

VF34 The VF34 is nearly identical to the VF30, with the same exhaust housing and compressor. However the VF34 goes back to the ball bearing design, and in doing so achieves full boost approximately 500RPM sooner than the comparable VF30. The VF34 is the most recent IHI design and as such costs slightly more than its counterpart. Top end performance and maximum output are identical to the 30.

VF35 The VF35 has identical internals as the VF30 and it uses divided thrust bearings. However, the exhaust housing is a P15 which means this turbo will have fantastic spool characteristics. This turbo is standard on the new WRX Type RA. LIMITED SUPPLY.

VF36 Roller bearing version of the twin scroll VF37, also has a titanium turbine and shaft for even quicker spool. Same compressor housing as VF30/34, however twin scroll P25 exhaust housing provides slightly better top end output due to reduced exhaust pulse interference. This turbo is good for 400HP and used on JDM STI Spec C from 2003 onwards.

VF37 (thrust bearing) Enter the age of twin scroll IHI turbos. Same compressor housing as VF30/34, however has a new twin scroll P25 exhaust housing that provides slightly better top end output due to reduced exhaust pulse interference. Twin scroll also provides better spool up for improved low down response over the VF30/34. This turbo is good for 400HP and used on JDM STI from 2003 onwards.

VF38 Twin scroll turbo with titanium turbine and shaft. Smaller compressor housing than VF36/VF37 provides tremendous spool up capabilities but less top end than VF36/37. The spool capabilities of this turbo are demonstrated on the JDM Legacy GT, which reaches peak torque at 2400RPM.

VF39 Single scroll turbo used on USDM STI and latest 2.5L STIs released internationally. Smaller than VF30/VF34.

VF42 Exclusive turbo to the S203/S204 models, this features a twin scroll design with a slightly larger compressor than the VF36/37 turbos and different turbine design (more blades). The VF42 is a roller-bearing turbo and is likely of similar size to the VF22 turbo, but with twin scroll exhaust housing for faster spool and superior top end performance due to reduced exhaust pulse interference.

IHI VF43 (250-325whp, Bolt-On) This is the standard equipment turbocharger used on the MY07 USDM Subaru Impreza WRX STI. It can be found on both base STI's and STI Limited's. The VF43 utilizes a thrust bearing design and the P18 exhaust housing. The primary difference between the VF43 and the VF39 used previously on STI's seems to be the stiffness of the wastegate. The VF43 has a stiffer wastegate designed to reduce boost creep issues. Expect to achieve full boost with the proper mods and a quality tune between 3000-3500rpms. 2002-2005 WRX owners will need fuel upgrades for this turbocharger and proper engine management is highly recommended for all vehicles that utilize this turbo aftermarket. Info

IHI VF44 This is the standard equipment turbocharger used on the JDM Legacy GT MY06. No other information known at this time. (Confirmation needed)

IHI VF45 This is the standard equipment turbocharger used on the JDM Legacy GT MY07. No other information known at this time. (Confirmation needed)

IHI VF46 This is the standard equipment turbocharger used on the USDM Subaru Legacy GT MY07. The VF46 utilizes a new five-arc scroll design to improve low and midrange performance over the previous VF40. Info

IHI VF48 (250-325whp, Bolt-On) This is the standard equipment turbocharger used on the USDM Subaru WRX STI MY08-10. The primary difference between the VF48 and the VF43 used previously on STI's is the more advanced bearing design. Expect to achieve full boost with the proper mods and a quality tune between 3000-3500rpms. 2002-2005 WRX owners will need fuel upgrades for this turbocharger and proper engine management is highly recommended for all vehicles. This turbocharger is not a direct bolt-on for the MY08+ WRX. Purchase

IHI VF52 (250-325whp, Bolt-On) This is the standard equipment turbocharger used on the USDM Subaru WRX MY09-10. This turbocharger is similar to the VF48 but utilizes the USDM Legacy GT-style housing. Expect to achieve full boost with the proper mods and a quality tune between 2800-3300rpms. This is NOT a direct bolt-on for 2002-2007 WRX, but will fit the 2008 WRX and 2005+ Legacy GT without modification.

PE 1818 The 1818 supposedly comes on boost extremely fast...which make it great for road racing or aggressive driving (remember to be responsible :^). The 1818 maxes out somewhere between 350-375 hp.

PE 1820 The 1820 is larger than the 1818 and is capable of running more boost, but at the expense of more turbo lag. Expect it not attain full boost until you have passed 4000 rpm. However, it can be tuned to 400+ hp.

IHI & Garret Turbo Specs Model Type Compressor Inlet Diameter Compressor Housing Nominal Turbine Housing Turbine Approx A/R Compressor Wheel Blades Turbine Wheel Blades Waste Gate Actuator Turbine Casting ID & Batch VF22 Roller Bearing 48.5 A 9.4 PZ20-H 94001 0.71 5 11 C395 H, H4 VF 23 Roller Bearing 46.7 B 9.4 PZ20-H 94001 0.71 6 11 C395 8psi TBA VF 24 Roller Bearing 46.7 B 9.4 PZ18-H 94001 0.63 6 11 C418 8psi H, S4, 66 VF 30 Bronze Bearing 47.9 C 9.4 PZ18-H 94001 0.63 6 11 C484 H, S4, IC F55 VF 34 Roller Bearing

Garrett 400 Ball Bearing 53 - - Outlet Dia 51.5 - 7 9 11 psi Garrett 450-500 Ball Bearing 53 Outlet Dia 46.9 - 7 10 14 psi

Turbo Type ----------- Approx flow @ pressure

Stock Turbo ---------- 360 CFM at 14.7 PSI

IHI VF 25 ------------- 370 CFM at 14.7 PSI

IHI VF 26 ------------- 390 CFM at 14.7 PSI

T3 60 trim ----------- 400 CFM at 14.7 PSI

IHI VF 27 ------------- 400 CFM at 14.7 PSI

IHI VF 24/28/29 ----- 410 CFM at 14.7 PSI

========= 422 CFM max flow for a 2 Liter at .85 VE pressure ratio 2.0 (14.7 PSI) 7000 RPM =======

IHI VF 23 ------------- 423 CFM at 14.7 PSI

FP STOCK HYBRID -- 430 CFM at 14.7 PSI

IHI VF-30 ------------- 435 CFM at 14.7 PSI

SR 30 ----------------- 435 CFM at 14.7 PSI

IHI VF-22 ------------ 440 CFM at 14.7 PSI

T04E 40 trim -------- 460 CFM at 14.7 PSI

========= 464 CFM max flow for a 2.2 Liter at .85 VE pressure ratio 2.0 (14.7 PSI) 7000 rpm =======

PE1818 -------------- 490 CFM at 14.7 PSI

Small 16G ------------ 505 CFM at 14.7 PSI

ION Spec (stg 0) --- 525 CFM at 14.7 PSI

========= 526 CFM max flow for a 2.5 Liter at .85 VE pressure ratio 2.0 (14.7 PSI) 7000 RPM =======

Large 16G ----------- 550 CFM at 14.7 PSI

SR 40 ----------------- 595 CFM at 14.7 PSI

18G ------------------- 600 CFM at 14.7 PSI

PE 1820 -------------- 630 CFM at 14.7 PSI

20G ------------------ 650 CFM at 14.7 PSI

SR 50 ---------------- 710 CFM at 14.7 PSI

GT-30 ---------------- 725 CFM at 14.7 PSI

60-1 ----------------- 725 CFM at 14.7 PSI

GT-35R -------------- 820 CFM at 14.7 PSI

T72 ------------------ 920 CFM at 14.7 PSI <--- Note you would have to spin a 2.0 L engine at about 14,000 rpm to flow this much air.

IHI VF 25 ----------- 395 CFM at 18 PSI

IHI VF 26 ----------- 400 CFM at 18 PSI

T3 60 trim ---------- 410 CFM at 20 PSI

IHI VF 27 ----------- 420 CFM at 18 PSI

IHI VF 24/28/29 -- 425 CFM at 18 PSI

IHI VF 23 ----------- 430 CFM at 18 PSI

IHI VF-30 ----------- 460 CFM at 18.0 PSI

AVO 320HP -------- 465 CFM at 17.5 PSI

T04E 40 trim ------ 465 CFM at 22 PSI

FP STOCK HYBRID- 490 CFM at 18.0 PSI

IHI VF-22 ---------- 490 CFM at 18.0 PSI

SR 30 --------------- 490 CFM at 22 PSI

Small 16G ---------- 490 CFM at 22 PSI

ION Spec (stg 0) - 500 CFM at 19 PSI

PE1818 ------------ 515 CFM at 22 PSI

Large 16G --------- 520 CFM at 22 PSI

========= 526 CFM max flow for a 2 Liter at .85 VE pressure ratio 2.5 (22 PSI) 7000 rpm =======

========= 578 CFM max flow for a 2.2 Liter at .85 VE pressure ratio 2.5 (22 PSI) 7000 rpm =======

HKS GT2835 ------- 580 CFM at 22 PSI 400 hp

MRT 400 ------------ 580 CFM at 16 PSI

AVO 400HP -------- 580 CFM at 17.5 PSI

MRT 450 ------------ 650 CFM at 19 PSI

AVO 450HP -------- 650 CFM at 20.0 PSI

SR 40 ---------------- 650 CFM at 22 PSI

========= 658 CFM max flow for a 2.5 Liter at .85 VE pressure ratio 2.5 (22 PSI) 7000 rpm =======

HKS GT3037 ------ 670 CFM at 22 PSI 460 hp

PE 1820 ----------- 680 CFM at 22 PSI

20G ---------------- 695 CFM at 20.0 PSI

HKS GT3040 ----- 710 CFM at 22 PSI 490 hp

AVO 500HP ------ 770 CFM at 22 PSI

SR 50 ------------- 770 CFM at 22 PSI

GT-30 ------------- 790 CFM at 22 PSI

60-1 --------------- 800 CFM at 22 PSI

HKS GT3240 ----- 830 CFM at 22 PSI 570 hp

GT-35R ----------- 880 CFM at 22 PSI

T72 --------------- 1000 CFM at 22 PSI <--- note you would have to run a 2.0 L engine at >40 PSI boost to flow this much air Conversions used where there was control over conversion factors: 1 HP approx equals 1.45 CFM

1 CFM approx equals 0.0745 lb or air/min

0.108 Lb/min approx equals 1 hp

1 Meter cubed/sec = 35.314 CFS = 2118.867 CFM

1 KG/sec = 132 lbs/min approx equals 1771.812 CFM power coversions:

1 PS = 0.9859 HP = 75 Kgf m/sec

1.3405 HP = 1 KW

1 HP = 746 watts

Forced Performance Standard 16G (510cfm, 275-330whp, Bolt-On) No longer manufactured by FP. Expect to achieve full boost with the proper mods and a quality tune between 3200-3700rpms. 2002-2005 WRX owners will need fuel upgrades for this turbocharger and proper engine management is highly recommended for all vehicles. 16G: FP or DB?

Forced Performance Big16G (550cfm, 36 lb/min, 275-360whp, Bolt-On) No longer manufactured by FP. Expect to achieve full boost with the proper mods and a quality tune between 3200-3700rpms. 2002-2005 WRX owners will need fuel upgrades for this turbocharger and proper engine management is highly recommended for all vehicles. 16G: FP or DB?

Forced Performance Evo3 16G (575cfm, 275-375whp, Bolt-On) Not longer manufactured by FP. Expect to achieve full boost with the proper mods and a quality tune between 3200-3700rpms. 2002-2005 WRX owners will need fuel upgrades for this turbocharger and proper engine management is highly recommended for all vehicles. 16G: FP or DB?

Forced Performance 18G (605cfm, 275-390whp, Bolt-On) No longer manufactured by FP. Expect to achieve full boost with the proper mods and a quality tune between 3300-3800rpms. 2002-2005 WRX owners will need fuel upgrades for this turbocharger and proper engine management is highly recommended for all vehicles. NASIOC Member subenerd Results w/8cm^2 NASIOC Member dbmartindbmartin Results

Forced Performance 20G (44 lb/min, 330-440whp, Bolt-On) No longer manufactured by FP. Expect to achieve full boost with the proper mods and a quality tune between 3500-4000rpms. Fuel upgrades for this turbocharger and proper engine management should be considered necessary for all vehicles. NASIOC Member nmyeti Results NASIOC Member StiPete Results

Forced Performance 68HTA (47 lb/min, 350-470whp, Bolt-On) Everyone has seen or heard about Evo3 16g turbos and TD05H 18g turbos for the Subaru 2.0 and 2.5 engines, our newest turbo is the FP 68HTA™Turbocharger for the Subaru STi/WRX unit which out flows both the E316g and 18g wheels and allows for higher PR operation without increased compressor outlet temperatures like the existing 16g and 18g wheels. Mass flow is increased to a whopping 47lb/min which is several lb/min greater than either the E316g or the 18g wheels are capable of. Rapid spool and large torque numbers are guaranteed by the TD05H turbine section. Purchase

Forced Performance Green (49-56 lb/min, 350-560whp, Bolt-On) Not longer manufactured by FP. The new for 2008 HTA update for the FP GREEN HTA™ for Subaru STI/WRX delivers an increase in maximum flow rate from 49lb/min to over 56lb/min without an increase in turbo lag, while also decreasing compressor outlet temperatures with better compressor efficiency than previous models. The FP GREEN HTA™ for Subaru STI/WRX turbo features a 7cm Subaru flanged internally wastegated turbine housing with 1 bar actuator and your choice of 3" compressor housing or the more compact 2.4" compressor housing for applications retaining the TGV setup. Expect to achieve full boost with the proper mods and a quality tune between 3800-4300rpms. Fuel upgrades for this turbocharger and proper engine management should be considered necessary for all vehicles. NASIOC Member 2002WRXSTi Results NASIOC Member nhsilversti Results NASIOC Member WRXSTi0487 Results Information

Forced Performance HTA GT3076R (57 lb/min, 375-570whp, May Require Modification) The 76mm size HTA wheel has 54.8mm inducer and flows over 57lb/min without dropping efficiency, and works well at pressure ratios as high as 4.5:1 . There optional turbine housings for this turbo, but the recommended default housing is the .82 A/R or .63 A/R T31 style with it's compact 2.5" diameter 4 bolt outlet. Purchase

Forced Performance Red (65 lb/min, 400-650whp, May Require Modification) Not longer manufactured by FP. The FP RED™ for Subaru STI/WRX has a flow rating of 950cfm or about 65lb/min. It features a large TD06 turbine wheel and is generally run in the larger 8cm turbine housing for max power. The 3" inlet of the FP RED™ for Subaru STI/WRX means that the TGVs will need to be removed from the vehicle to gain the required compressor housing clearance. Expect to achieve full boost with the proper mods and a quality tune between 4500-5000rpms. Fuel upgrades for this turbocharger and proper engine management should be considered necessary for all vehicles. PDXTuning’s Results PDXTuning’s Results Information

Forced Performance HTA GT3582R (75 lb/min, 450-750whp, May Require Modification) The FP HTA™ GT3582R turbocharger is based on the world renowned Garrett GT Ball Bearing structure. Purchase

Forced Performance HTA GT3586R (75+ lb/min, 450-750whp, May Require Modification) The FP HTA™ GT3586R turbocharger is based on the world renowned Garrett GT Ball Bearing structure. This 62mm inlet / 86mm exducer HTA™ wheel extends mass flow well beyond 75 lb/min with observed power output in the 730+whp range on well prepared cars. This turbo is available with a variety of turbine housings, but using anything smaller than a .82 is stupid.

Turbochargers.com 16G (505cfm, 250-325whp, Bolt-On) This high-powered upgrade is good for 340 HP and flows 505 cfm! Get more boost for your buck, and the protection to match with Turbochargers.com's standard 1yr warranty. Expect to achieve full boost with the proper mods and a quality tune between 3200-3750rpms. 2002-2005 WRX owners will need fuel upgrades for this turbocharger and proper engine management is highly recommended for all vehicles. Purchase

Turbochargers.com EVOIII Big 16G (550cfm, 275-375whp, Bolt-On) Most bang for your buck in a 16G upgrade platform, the WRX/STI MHI TD05H-EVO III Big 16G features the 39 lb/min proven performance of the EVO III Big 16G state-of-the-art compressor design combined with the quick response and high flow capacity of the TD05H turbine. The 7cm2 nozzle area turbine housing includes an internal wastegate port and standard wastegate actuator calibrated at 9 PSI. Optional upgrade actuators are available in incremental pressures from 10 PSI to 19 PSI. Expect to achieve full boost with the proper mods and a quality tune between 3300-3800rpms. 2002-2005 WRX owners will need fuel upgrades for this turbocharger and proper engine management is highly recommended for all vehicles. Purchase

Turbochargers.com 18G (600cfm, 275-400whp, Bolt-On) Perfect for your 400 HP WRX/STi project, the TD05H-18G features the 600CFM performance of the Mitsubishi 18G compressor wheel combined with the quick response of the TD05H turbine wheel. To maximize compressor efficiency, the WRX/STi TD05H-18G utilizes a true TD05H compressor housing with custom actuator mounting in place of the TD05 housing. The 7cm2 nozzle area turbine housing includes an internal wastegate port and standard wastegate actuator calibrated at 9 PSI. Optional upgrade actuators are available in incremental pressures from 10 PSI to 19 PSI. Expect to achieve full boost with the proper mods and a quality tune between 3400-3900rpms. 2002-2005 WRX owners will need fuel upgrades for this turbocharger and proper engine management is highly recommended for all vehicles. Purchase 7cm2 Purchase 8cm2

Turbochargers.com TD06-20G (650cfm, 325-400whp, Bolt-On) The MHI 650CFM Mitsubishi 20G compressor wheel is paired with TD06 turbine wheel and is paired with a 7cm2 nozzle area turbine housing. This high-powered upgrade is good for 430 HP to wheels. Get more boost for your buck, and the protection to match with Turbochargers.com's standard 1yr warranty. Expect to achieve full boost with the proper mods and a quality tune between 3500-4200rpms. Fuel upgrades for this turbocharger and proper engine management should be considered necessary for all vehicles. Purchase 7cm2 Purchase 8cm2

Turbochargers.com GT35 (800cfm, 400-500whp, Bolt-On) This turbo comes standard with a GT35 compressor wheel, genuine Mitsubishi TD06 turbine wheel, and 7cm turbine housing. The GT35 is rated for up to 500 wheel horsepower and 800 cfm! For those looking to maximize high boost pressure/high RPM performance in a 500 HP bolt-on platform, the GT35 is for you! Expect to achieve full boost with the proper mods and a quality tune between 3900-4400rpms. Fuel upgrades for this turbocharger and proper engine management should be considered necessary for all vehicles. Purchase 7cm2 Purchase 8cm2

Turbochargers.com TD06-25G (850cfm, 400-525whp, Bolt-On) This turbo comes standard with a Billet 25G comp wheel, genuine Mitsubishi TD06 turbine wheel, and 7cm turbine housing. The Billet 25G is rated for up to 500 wheel horsepower and 850 cfm! For those looking to maximize high boost pressure/high RPM performance in a 500 HP bolt-on platform, the Billet 25G is for you! Expect to achieve full boost with the proper mods and a quality tune between 4300-4800rpms. Fuel upgrades for this turbocharger and proper engine management should be considered necessary for all vehicles. Purchase

Momentum EJ5-40T (580cfm, 275-375whp, Bolt-On) No longer manufactured. Expect to achieve full boost with the proper mods and a quality tune between 3300-3800rpms. 2002-2005 WRX owners will need fuel upgrades for this turbocharger and proper engine management is highly recommended for all vehicles. Dynograph

Deadbolt Standard 16G (520cfm, 33.5 lb/min, 275-330whp, Bolt-On) No longer manufactured. Expect to achieve full boost with the proper mods and a quality tune between 3200-3700rpms. 2002-2005 WRX owners will need fuel upgrades for this turbocharger and proper engine management is highly recommended for all vehicles.

Deadbolt Big 16G (525cfm, 34 lb/min, 275-340whp, Bolt-On) No longer manufactured. Expect to achieve full boost with the proper mods and a quality tune between 3200-3700rpms. 2002-2005 WRX owners will need fuel upgrades for this turbocharger and proper engine management is highly recommended for all vehicles.

Deadbolt Super 16G (585cfm, 37 lb/min, 275-370whp, Bolt-On) No longer manufactured. Expect to achieve full boost with the proper mods and a quality tune between 3200-3700rpms. 2002-2005 WRX owners will need fuel upgrades for this turbocharger and proper engine management is highly recommended for all vehicles.

Deadbolt 18G (590cfm, 39 lb/min, 275-390whp, Bolt-On) No longer manufactured. Expect to achieve full boost with the proper mods and a quality tune between 3400-3900rpms. 2002-2005 WRX owners will need fuel upgrades for this turbocharger and proper engine management is highly recommended for all vehicles.

Deadbolt 20G (640cfm, 44.5 lb/min, 340-440whp, Bolt-On) No longer manufactured.

Deadbolt Superzilla (SZ49, 690cfm, 49 lb/min, 350-490whp, Bolt-On) (SZ53, 735cfm, 53 lb/min, 380-530whp, Bolt-On) (SZ55, 770cfm, 55 lb/min, 400-550whp, Bolt-On) (SZ57, 800cfm, 57 lb/min, 420-570whp, Bolt-On) (SZ60, 60 lb/min, 450-600whp, Requires Modification) (SZ65, 60 lb/min, 450-625whp, Requires Modification) No longer manufactured. Fuel upgrades for these turbochargers and proper engine management should be considered necessary for all vehicles.

APS SR30 (490cfm at 22psi, 275-325whp, Bolt-On) The APS SR30 turbocharger is an ideal turbocharger for the person who is chasing impeccable drivability as well as significantly improved power and torque - with the capacity to produce up to 340bhp. The SR30 also offers a very broad range of operation at high efficiency values. 2002-2005 WRX owners will need fuel upgrades for this turbocharger and proper engine management is highly recommended for all vehicles. Info Info

APS SR40 (595cfm at 14.7psi, 300-350whp, Bolt-On) The SR40 turbocharger is a specialist performance turbocharger with performance characteristics to suit modified WRX engines of 2.0 - 2.2 L capacity. The SR40 turbocharger has the capacity to supply air to produce 440 bhp with good turbocharger response characteristics. 2002-2005 WRX owners will need fuel upgrades for this turbocharger and proper engine management is highly recommended for all vehicles. Compressor Map Info Info

APS SR56 (56 lb/min, 400-550whp, Bolt-On) The SR56 is the choice for the performance enthusiast who wants the ultimate in engine power whilst maintaining stock turbocharger orientation. Ideally suited to a heavily modified Subaru engine of 2.2 - 2.5 L capacity. With flow capacity to produce 500 hp at 14.5 psi and 550 hp at 22 psi, this turbocharger is for the serious street/strip racer. Addendum: 3” SR56 = SR57. Fuel upgrades for this turbocharger and proper engine management should be considered necessary for all vehicles. Compressor Map Info Info Info

APS DR65 (65 lb/min, 450-600whp, Turbo Kit) The APS D/R 65 is the ultimate turbocharger for the ultimate WRX/STI. Intended primarily for the serious 2.5 litre engine, it will deliver 14.5 psi by 4,500 RPM in that application. However the APS D/R 65 can also be utilized on strip only 2.0 litre engines. Fuel upgrades for this turbocharger and proper engine management should be considered necessary for all vehicles. Compressor Map Info Info

APS TSR70 (70 lb/min, 500-700whp, Turbo Kit) The APS TSR70 system is complete with a 70 lb/min twin scroll turbocharger, a 321 SS twin-scroll uppipe with Tial 44mm EWG, 304 SS downpipe, all connection hoses required to fit the DR 527/725 FMIC, all fluid lines to connect up the oil supply and water cooling, and all of the hardware required for the installation. Fuel upgrades for this turbocharger and proper engine management should be considered necessary for all vehicles. Info Info Info Info Purchase

AVO 320 (465cfm at 17.5psi, 275-325whp, Bolt-On) AVO's 320hp ball bearing turbo, the 'Edge Series', is the ultimate in high-flow/high-response bolt-on solutions. S-Type is our street turbo, designed for both superior spool-up over stock and additional top-end power. The absolute best bang for your buck thanks to an enormous research and development program. We would even go so far as suggesting that the Edge range of turbochargers will outperform any other turbo on the market. Supplied worldwide for street and race applications, you won't find a turbocharger offering better performance. 2002-2005 WRX owners will need fuel upgrades for this turbocharger and proper engine management is highly recommended for all vehicles. Purchase $2200

AVO 400L (580cfm at 17.5psi, 275-325whp, Bolt-On) AVO's 400L ball bearing turbo is part of the 'Edge Series' family, the ultimate in high-flow/high-response bolt-on solutions. This turbo has been optimized for high-response performance on 2.5-liter motors, and as great solution for 2.2-liter stroker kit motors. It is designed for both superior spool-up over stock and additional top-end power. Supplied worldwide for street and race applications, you won't find a turbocharger offering better performance. 2002-2005 WRX owners will need fuel upgrades for this turbocharger and proper engine management is highly recommended for all vehicles. Purchase $2475

AVO 400S (580cfm at 17.5psi, 275-350whp, Bolt-On) AVO's 400hp ball bearing turbo, the 'Edge Series', is the ultimate in high-flow/high-response bolt-on solutions. The S-Type is our dual duty race and street turbo, designed for a blend of high response and devastating power. The absolute best bang for your buck thanks to an enormous research and development program. We would even go so far as suggesting that the Edge range of turbochargers will outperform any other turbo on the market. Supplied worldwide for street and race applications, you won't find a turbocharger offering better performance. 2002-2005 WRX owners will need fuel upgrades for this turbocharger and proper engine management is highly recommended for all vehicles. Purchase $2420

AVO 450 (630cfm at 20psi, 325-375whp, Bolt-On) AVO's 450hp ball bearing turbo , the 'Edge Series', is the ultimate in high-flow/high-response bolt-on solutions for your WRX or STi 2.0-liter and 2.5-liter. Capable of up to 30psi of boost and able to hit peak boost at 3600rpm on a 2.5-liter, it has all the response and overhead that you can dream of. The R-Type is our track and circuit beast, designed for a blend of high response and devastating power. The absolute best bang for your buck thanks to an enormous research and development program. We would even go so far as suggesting that the Edge range of turbochargers will outperform any other comparable turbo on the market. Supplied worldwide for street and race applications, you won't find a turbocharger offering better performance. Fuel upgrades for this turbocharger and proper engine management should be considered necessary for all vehicles. Dynograph Purchase $2640

AVO 500 (740cfm at 23psi, 350-400whp, Bolt-On) AVO's 500hp ball bearing turbo , the 'Edge Series', is the ultimate in high-flow/high-response bolt-on solutions for your WRX or STi 2.0-liter and 2.5-liter. Capable of up to 30psi of boost and able to hit peak boost at 4400rpm on a 2.5-liter, it has all the response and overhead that you can dream of. The D-Type is our 1/4 mile beast, designed for a blend of high response and devastating power. The absolute best bang for your buck thanks to an enormous research and development program. We would even go so far as suggesting that the Edge range of turbochargers will outperform any other comparable turbo on the market. Supplied world-wide for street and race applications, you won't find a turbocharger offering better performance. Fuel upgrades for this turbocharger and proper engine management should be considered necessary for all vehicles. Purchase $2650

Helix RR500 (325-400whp, Bolt-On) Fuel upgrades for this turbocharger and proper engine management should be considered necessary for all vehicles. For more information on this turbocharger, see the below writeup from Gruppe-S. Info/Purchase

Slowboy Racing GT-10 (44 lb/min, 275-325whp, Bolt-On) On many 2.0l WRX motors, people running the basic bolt on modifications can expect 275-300 AWHP on a good tune with pump gas at 18-20 PSI. Those wanting to run race gas and 24-26 PSI can expect upwards of 325-330 AWHP. Many 2.5l STI owners have been impressed with this turbo from the standpoint that it spools up very fast, but its limited flow capacity has limited this turbo on pump gas to around 320-330 AWHP at 18-20 PSI. Many 2.5l STI owners would be better suited with the GT11 or larger for those looking to make more HP. Fuel upgrades for this turbocharger and proper engine management should be considered necessary for all vehicles. Purchase $1300

Slowboy Racing GT-11 (50 lb/min, 300-350whp, Bolt-On) 2.0l WRX guys who intend to run a lot of boost pressure, tend to like the 700177-0011 CHRA from Garrett, however it is certainly not a pump gas king. 2.0l WRX owners should expect between 300-325 AWHP and STI owners between 340-360 AWHP at 18-20 PSI. Switching to race gas and running between 24-26 PSI should yield another 20-30 AWHP on this unit. 2002-2005 WRX owners will need fuel upgrades for this turbocharger and proper engine management is highly recommended for all vehicles. Fuel upgrades for this turbocharger and proper engine management should be considered necessary for all vehicles. Purchase $1300

Slowboy Racing GT-12 (55 lb/min, 350-400whp, Bolt-On) 2.0l guys can expect a bit of lag from this 55 lb/min CHRA, however it is capable of making between 340-360 AWHP on pump gas and 18-20 PSI on a well tuned motor. The majority of the 2.0l fanatics tell us you must get this on a dynometer right away to get the most out of it. They also say at 4,000 RPM’s its time to hold on tight, because this turbo hits HARD! This turbo is where the 2.5l guys need to be from the start, the extra displacement provides enough grunt to get this guy fully spooled before 4,000 RPM’s and is simply a great turbo for a daily driver who wants to make 360-380 AWHP on pump gas at 18-20 PSI. Expect over 400 AWHP on a great tune up, all the supporting modifications, race gas, and boost pressure between 24-26 PSI. Fuel upgrades for this turbocharger and proper engine management should be considered necessary for all vehicles. Purchase $1300

Slowboy Racing GT-13 (60 lb/min, 375-450whp, Bolt-On) For the EJ20 guys, this is a big turbo capable of flowing 60 lbs/min of air. This turbo on a 2.0l motor will not achieve full boost until the low 4,200-4,300 RPM range. This means, you better be revving your motor to 8,000 RPM’s to make the most of this turbo! Since most of you are not revving this high, we suggest for the most part this remain an EJ25 turbo for the 2.5l crowd. The STI fanatics have reported some success with this turbo using only the true bolt on compressor cover; however we suggest using the 3” inlet cover to get the most performance out of this particular CHRA. 2.5l guys should expect between 350-400 AWHP on pump gas at 18-20 PSI, and upwards of 430-450 AWHP with race gas and 24-26 PSI. This turbo is very capable of 30 plus PSI; do not try this at home! Dynographs coming soon. Fuel upgrades for this turbocharger and proper engine management should be considered necessary for all vehicles. Purchase $1300

Slowboy Racing GT-14 (65 lb/min, 400-500whp, Bolt-On) Unless you are a fully built, hi revving EJ20 please look the other way! This turbo is hefty, you will not go looking for the beef any longer with this turbocharger! This turbo is much better suited on an EJ25 with higher than stock compression or someone that has a bit of tolerance for a high boost threshold and is willing to have all his fun from 4,500 RPM’s and up! This turbo will only fit in the 3” compressor cover, so direct easy fitment is not certain, however smiles are guaranteed once you have the fitment behind you! Expect 400-425 AWHP on pump gas between 18-20 PSI, and capable of 440-460 AWHP on race gas. Dynographs coming soon. Fuel upgrades for this turbocharger and proper engine management should be considered necessary for all vehicles. Purchase $1400

Slowboy Racing 35R (65 lb/min, 450-600whp, May Require Modification) EJ20, 2.0l cars have not even tested this turbo yet! So, at this point we are unaware of how it would perform. On a mildly worked EJ25, this turbo shows remarkable spool up for its size, which we contribute to the larger turbine wheel (same compressor wheel as GT-14, however the turbine wheel is larger). On all inline motors, the GT-14 spools a good bit faster than the 35R, however not on the EJ’s! This turbo has made over 405 AWHP on a 2.5l at only 19 PSI. It makes almost 400 ft/lbs of torque at 4200 RPM’s. If you have some patience, and are good at making things fit, this is the turbo for you. Pair with our 3” inlet for a somewhat easier fit. The install is not for beginners; however it will bolt up to your stock up pipe location! Make sure you call and talk to one of us before ordering online. Fuel upgrades for this turbocharger and proper engine management should be considered necessary for all vehicles. Purchase $1600

Blitz K3-6 (Turbo Kit) BLITZ® and Triple K (KKK) Turbo of Germany have collaborated to produce one of the best turbos on the market. Together, BLITZ® and Triple K have exclusively designed specific turbos for certain applications that produce maximum power with maximum boost response. BLITZ® wastegates are engineered to have precise boost control and the ability to withstand extreme heat conditions. Included in all BLITZ® Turbo Kits are: all necessary hardware, manifold, turbo, turbo-outlet pipe, wastegate dump-tube, and wastegate - establishing BLITZ® Turbo Kits as the most complete and cost effective kits on the market. Info Purchase $3050 Recent Kingpin Information

Blitz K3-8 (Turbo Kit) BLITZ® and Triple K (KKK) Turbo of Germany have collaborated to produce one of the best turbos on the market. Together, BLITZ® and Triple K have exclusively designed specific turbos for certain applications that produce maximum power with maximum boost response. BLITZ® wastegates are engineered to have precise boost control and the ability to withstand extreme heat conditions. Included in all BLITZ® Turbo Kits are: all necessary hardware, manifold, turbo, turbo-outlet pipe, wastegate dump-tube, and wastegate - establishing BLITZ® Turbo Kits as the most complete and cost effective kits on the market. Info Purchase $3150 Recent Kingpin Information

Power Enterprise 1818 (515cfm at 22psi, 275-350whp, Bolt-On) The PE 1818 Turbo is a high-performance turbo developed by Power Enterprise. The turbine and compressor housings are used from IHI and uses Power Enterprises custom twin-ball bearing center cartridge. This turbo is able to produce power over 410+ bhp. This turbo has a smaller housing then the PE 1820 which gives it less turbo lag and makes it more streetable. Full boost can be achieved by 4000 rpm. 2002-2005 WRX owners will need fuel upgrades for this turbocharger and proper engine management is highly recommended for all vehicles. Purchase

Power Enterprise 1820 (695cfm, 325-375whp, Bolt-On) The PE 1820 Turbo is a high-performance turbo developed by Power Enterprise. The turbine and compressor housings are used from IHI and uses Power Enterprises custom twin-ball bearing center cartridge. This turbo is able to produce power over 440+ bhp. This turbo has a larger turbine housing than the PE 1818 which gives it more turbo lag and is more suited for race applications. Fuel upgrades for this turbocharger and proper engine management should be considered necessary for all vehicles. NASIOC Member LiquidForce Results Purchase

GReddy TZ518Z (300-375whp, Bolt-On) GReddy had zeroed in on a T518Z turbo, a fresh unit from GReddy's parent company in Japan. Developed by Mitsubishi the 8cm^2 compressor housing that gets maximum thrust from the 18G wheel. 2002-2005 WRX owners will need fuel upgrades for this turbocharger and proper engine management is highly recommended for all vehicles. Info Purchase $1550

GReddy TD06S-20G (325-400whp, Turbo Kit) This turbo kit from GReddy features a massive TD06 20g turbo, uppipe adapter, type R wastegate, downpipe and all the necessary installation hardware. This is one of the only turbo kits on the market to feature an external wastegate and will make awesome power on your WRX. Requires GReddy Airinx intake, which is not included. Fuel upgrades for this turbocharger and proper engine management should be considered necessary for all vehicles. Info Purchase $2599.95

GReddy T67 25G (400-475whp, Turbo Kit) This kit includes an uppipe adapter, type r wastegate, downpipe, turbo and all the hardware. It will require some fabrication and you will not be able to retain a top-mount intercooler with it. It also requires a GReddy Airinx intake and fuel upgrades / engine management. This is an awesome upgrade for any STi, but it is not a simple bolt-on. The kit includes piping to make it work with GReddy's front mount intercooler, but we recommend running something larger and getting your own pipes fabricated. Fuel upgrades for this turbocharger and proper engine management should be considered necessary for all vehicles. TD06SH-25G Also available, call GReddy for details. Purchase $2595 Purchase $2899.95

GPMoto GT32 (42 or 51 lb/min, 325-425whp, Turbo Kit) Introducing the GPMoto GT32 turbo kit for late-model turbocharged Subaru’s. Designed for quick spool-up, big torque and big power, this kit is the most complete kit on the market giving you the total package for reliable and consistent power delivery. Hardware: At GPMoto, we feel that a turbo kit is more than just a big turbo and an up-pipe; it is a complete, engineered kit designed and tested to make reliable power. All stainless steel header and downpipes are standard for maximum durability. The 100% tig welded exhaust parts are not only good to look at but have maximum strength for the years to come. Braided oil lines ensure trouble free operation, while high-temp couplers insure a leak free and durable intake system. Even the air filter is designed for long lasting use, as its easy to clean and re-oil when needed. Installation Hardware: Ancillary parts like oil lines and brackets are essential when installing your turbo kit. The GT32 kit will come complete with all the brackets, clamps, oil-lines and hydraulic tubing to make your kit work right. There are no trips to the hardware store and no searching off-size clamps and bolts with this kit. All the pieces needed to make this kit a true bolt-on affair will be right in the box. Not included but recommended is a Apex-i AVCR. Fuel upgrades for this turbocharger and proper engine management should be considered necessary for all vehicles.

GPMoto GT40/37 (65 lb/min, 450-650whp, Turbo Kit) This turbo kit offers a true bolt-on plug and play alternative to the smaller far-less complete kits on the market plus, it eliminates the hassles of a Frankenstein pieced-together setup that is difficult to tune. No other kit on the market can give you such a complete system. Includes GT40 compressor, external wastegate, downpipe, catback, and braided stainless steel oil feed and drain lines. Contact GPMoto for more information. Fuel upgrades for this turbocharger and proper engine management should be considered necessary for all vehicles.

HKS GT2540R (325-375whp, Turbo Kit) The highly anticipated HKS GT2540R Sport Turbo Upgrade is now available to complement HKS' product line for the Subaru WRX. Expect to achieve full boost with the proper mods and a quality tune between 3700-4200rpms. Fuel upgrades for this turbocharger and proper engine management should be considered necessary for all vehicles. NASIOC Member nicmowrx Results P/N 1401-RA071 Purchase $2150 Purchase $1800 P/N 11004-XF002 Purchase $3300

Forced Air Technologies GT25 (350-425whp, Turbo Kit) The Stage 1 Turbo Kit for the WRX and STi comes with a GT25 Turbo. This is a 15 PSI system with about a 80-100 WHP gain and 2 seconds faster in the quarter mile. There isn't any lifting of the engine and it will install in a weekend. This turbo charger is capable of supporting 500 hp. You can add on a beautiful Front Mount Intercooler for an additional $1250. Fuel upgrades for this turbocharger and proper engine management should be considered necessary for all vehicles. Purchase $3500

Element Tuning GT49 (49 lb/min, 350-490whp, Bolt-On) This turbocharger utilizes a Garrett 49 lbs compressor wheel, TD06 Turbine wheel modified for more flow and creep-free performance. Typically we see 20 psi by 3400-3600 rpm tuning with the Hydra and pump gas power in the 350-375 whp range. Both housings are completely ported for increased flow and wastegate performance. Race gas power is in the 450-460 whp range. Expect to achieve full boost with the proper mods and a quality tune between 3300-3800rpms. Fuel upgrades for this turbocharger and proper engine management should be considered necessary for all vehicles. Dynographs Purchase $1700

Element Tuning GT52 (52 lb/min, 375-500whp, Bolt-On) This turbocharger is very similar to many other 7cm TD06 20G framed bolt-ons but that's where the comparison ends. In this particular turbocharger we are using a Garret GT30R 52 lbs compressor wheel, Garrett turbine wheel and shaft. The compressor is a GT30R rated at 52 lbs utilizing an internal wastegate. Typically we see 20 psi by 3600-3800 rpm tuning with the Hydra and pump gas power in the 375-400 whp range. Both housings are completely ported for increased flow and wastegate performance. Race gas power is in the 475-500whp range. Expect to achieve full boost with the proper mods and a quality tune between 3500-4000rpms. Fuel upgrades for this turbocharger and proper engine management should be considered necessary for all vehicles. Dynographs Element Tuning Results Dyno Flash Results Dyno Flash Results Purchase $1900

Element Tuning GT65 (65 lb/min, 400-650whp, Turbo Kit) This is a rotated setup requiring our GT65 kit. This utilized a Garrett T3/T4 frame running a 65 lbs Garrett GT series compressor wheel with a 4" compressor inlet and uses a .82 turbine housing. Typically with this kit we hit 20 psi in the 4100-4300 rpm range with pump gas power around 435 whp. Race gas power is in the 535 whp range while using stock heads and cams. Upgraded cams and heads will produce 600+ whp. Expect to achieve full boost with the proper mods and a quality tune between 3900-4400rpms. Fuel upgrades for this turbocharger and proper engine management should be considered necessary for all vehicles. Dynographs Element Tuning Results Element Tuning Results GT65 FAQ Purchase $2900

Garrett T3/T04E (350-450whp, Turbo Kit) If you think this turbocharger is meant for you, please do your research on the specific kit you’d like to purchase or build. Below is some information to get you started. Expect to achieve full boost with the proper mods and a quality tune between 4000-4500rpms. Fuel upgrades for this turbocharger and proper engine management should be considered necessary for all vehicles. Ultimate Racing $2650 Kingpin $3600 Recent Kingpin Information

Garrett T3/T04S (400-550whp, Turbo Kit) If you think this turbocharger is meant for you, please do your research on the specific kit you’d like to purchase or build. Below is some information to get you started. Expect to achieve full boost with the proper mods and a quality tune between 4300-4800rpms. Fuel upgrades for this turbocharger and proper engine management should be considered necessary for all vehicles. Ultimate Racing $2850 NASIOC Member moreboost Results

Garrett GT30R (790cfm at 22psi, 52 lb/min, 375-525whp, Turbo Kit) If you think this turbocharger is meant for you, please do your research on the specific kit you’d like to purchase or build. Below is some information to get you started. Expect to achieve full boost with the proper mods and a quality tune between 4000-4500rpms. Fuel upgrades for this turbocharger and proper engine management should be considered necessary for all vehicles. Helix should have a kit available in the future, as well. Garrett Info Info GT30R vs. GT35R GT35R .63 vs. GT30R .82 Capt Crunch Compendium NASIOC Member AgileJunkie Results NASIOC Member ka mano Results Ultimate Racing $3400 WBR $2800 Perrin $2800 Forced Air Technologies $4000 Kingpin $3750 Recent Kingpin Information Worx Tuning $TBA

Garrett GT35R (880cfm at 22psi, 65 lb/min, 450-650whp, Turbo Kit) If you think this turbocharger is meant for you, please do your research on the specific kit you’d like to purchase or build. Below is some information to get you started. Expect to achieve full boost with the proper mods and a quality tune between 4400-4900rpms. Fuel upgrades for this turbocharger and proper engine management should be considered necessary for all vehicles. Garrett Info Info GT30R vs. GT35R GT35R .63 vs. GT30R .82 Capt Crunch Compendium NASIOC Member 2004stiwrb Results NASIOC Member subalou1 Results Ultimate Racing $3600 Agency Power $3400 Perrin $3100 Forced Air Technologies $4500 Kingpin $3750 Recent Kingpin Information Worx Tuning $TBA

Garrett GT40R (72 lb/min, 550-750whp, Turbo Kit) If you think this turbocharger is meant for you, please do your research on the specific kit you’d like to purchase or build. Below is some information to get you started. Expect to achieve full boost with the proper mods and a quality tune between 4900-5400rpms. Fuel upgrades for this turbocharger and proper engine management should be considered necessary for all vehicles. Garrett Info NASIOC Member pavlo Results UR Big Valley Kit Ultimate Racing Initial Results Ultimate Racing $4450 Kingpin $4950 Kingpin Kit Recent Kingpin Information

Garrett GT42R 1100cfm, 85 lb/min, 750-900whp, Turbo Kit) If you’re crazy enough to run this turbo, you definitely don’t need my help.

Erik velmi velmi užitočné niekolko krát sa mi to hodilo kludne možeš pokračovať v podobných príspevkoch stakouto pridanou hodnotou