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394 WHP/379 FT/LBS- 2008 E85 STi- COBB Tuning Surgeline
COBB Tuning Surgeline tunes an '08 STi on E85! 394 WHP and 379 FT/LBS at 24psi on E85 376 WHP and 345 FT/LBS at 22psi on 92 Octane - COBB Tuning AccessPORT - Built Bottom End - Cosworth Pistons - P&L GT30R .82 A/R Kit - P&L FMIC - Catless turboback - DW 1000cc Injectors - Walbro Fuel Pump

2005 Subaru STI chasing Lamborghini Murcielago
2005 Subaru STI chasing a Lamborghini Murcielago

Stock B16 Turbo Civic E85 VS STI
Stock B16 turbo Civic E85 10-11psi english racing tuned Lightly Modded STI

05 STi Dyno Accident
Had a little problem on the first pull. The headers melted the strap and off she went. After that we got a good tune put on it. Thanks to Ether Tuning in Wytheville Va. Ended up with 237 hp and 309 tq on a Mustang Dyno. Mods include: Short ram intake, APS Full race Exhaust, GP Moto unequal length headers, and short shifter. We had a COBB on it and took it off to put a new tune on. 1st pull was a baseline pull with the COBB.

2005 STI - Stage 2 w/E85 - COBB Tuning Plano
350WHP / 403WTQ! 2005 Subaru Impreza Sti with stock surbo and full turboback Exhaust system, DW850cc injectors for E85 Fuel delivery. Protuned at COBB Tuning's Plano facilities using the AccessPort. http://www.cobbtuningplano.com Click below to see this Dyno graph on our Dyno Database Online! http://plano.cobbtuning.com/Dyno/index.php?gb=0&hp=1&torque=1&Boost=1&rpm=1&sl=1&sln=1&runid1=496&rgb1=000000255

Stage 3 srt-4 test

STi possible vacuum leak
After installing a 20G-XT, bigger injectors, a new turbo inlet, and loading a limp tune this is what happens when I come to a stop sometimes or after revving while just sitting still.

Subaru sti modded
Davis Turner driving a modded Subaru impreza wrx sti 2005. Sponsored by SnowHawk Productions. Video Belongs to SnowHawk Productions. music: "22 Acacia Avenue" by Iron Maiden. www.snowhawkproductions.com

2006 WRX STI dyno run 500+ hp
2006 WRX STI on the Dynojet Dyno at Mach V Motorsports. The car is being built by GT Performance of Edgewood, MD. Mods include: 2.6 liter block with custom crank, Mahle pistons, Cosworth heads and cams, custom dry-sump oiling system, GT35R turbo, 1000cc injectors, APS FMIC, AEM engine management. 100 octane Sunoco fuel, 21 psi Boost. Custom tune by Mach V Motorsports. Fourth gear (of six). SAE correction 1.02. Mach V Motorsports 45690 Elmwood Ct. #170 Sterling, VA 20166 (571) 434-8333 www.fastwrx.com

COBB Tuning Surgeline STI makes 550whp on E85!
COBB Tuning Surgeline tuned this 2007 Subaru WRX STI Limited on E85 with a 35R and a highly modified fuel system. E85 continues to be popular with automotive enthusiasts looking to use a cheaper alternative to leaded, high-octane racing fuels.

2004 Subaru STi Matte Black Running the Dyno at Vivid Racing
http://www.vividracing.com - A modded 2004 STi stops by Vivid Racing to test on our Mustang II AWD Dyno. This car was meant to look good and play hard. Final numbers came in at 389 whp. And YES, this is in fact an STi with WRX exterior looks.

Widebody 2005 Subaru WRX STI dyno run
2005 WRX STI on the Dynojet Dyno at Mach V Motorsports. Mods include: Forged pistons and rods, GT35R turbo, external wastegate, 850cc injectors, Crawford FMIC, Cobb AccessPort; custom widebody kit with 10.5" wheels, 265/35R18 tires. 93 octane fuel, 22 psi Boost. Custom tune by Mach V Motorsports. Fourth gear (of six). SAE correction 1.00. Mach V Motorsports 45690 Elmwood Ct. #170 Sterling, VA 20166 (571) 434-8333 www.fastwrx.com

Sik Ass Subaru STI

2004 Subaru Impreza WRX STi Dyno
This is a video of my 2004 STi being Dynoed and tuned at TOPSPEED tuning in Alpharetta, GA. Mods on this car are: GReddy Exhaust, Cold Air Intake, Fidanza Lightened Flywheel, Exedy Stage 2 Clutch, and Subaru Performance Tuning Suspension. The initial Dyno resulted in 280 whp and 297 ft/lbs of torque. After nine pulls on the Dyno, Doug had the car putting out 290 whp and 347 ft/lbs of torque. If you have a subaru, BMW, or Porsche; I would highly recommend you take your car their speed shop if you want get the most safe horsepower out of your car! www.topspeedtuned.com

2005 Subaru STI
A few in-car acceleration clips in a modified 2005 STI. I'm not the one driving, I'm just the passenger. Its not much, but I thought I'd show for everyone to enjoy.