- First power mod. exhaust
- 2.2 phase1 to phase2 upgrade
- Muffler for 2.5i
- high pitch whistle above 4k rpm?
- First mod??
- 3 inch pipeing for exhaust bad idea ?
- Power Mod Advice Please for '09 Outback
- Good idea or bad idea for exhaust
- Custom 4" catless exhaust
- Almost stalling at stops?
- tires squealing and ABS ticking when turning left?
- 08 2.5 NA engine question - adding a turbo?
- Magna flow exhaust on a 09 hatchback
- spooky clutch failure 08 wrx HELP!
- Another Exhaust Thread.
- Is the '08+ 2.5i SOHC an interference motor?
- Any feedback on new Borla exhaust
- Quick Question.
- Valve cover gaskets leaking...?
- GrimmSpeed AOS Install 08+wrx/LGT
- Stage one/stage two questions
- 08 2.5i Headers?
- How to lower under hood temps?
- Anyone wanna get ride of their stock mufflers?
- Shifter Extender
- Loud Exhaust
- Adding an oil cooler?
- First Gear Problems
- i want the boxer rumble...
- Wanted ,, Motec ecu .
- Last guy's CAI
- clutches interchangeability 2.0 2.5 WRX STI
- axle seal leak
- STI enigne swap for a stock 08 2.5i
- Intake questions 09 2.5i
- Transmission air leak
- problem with accelleration
- what intake has most power
- Made my own short throw shifter... m'eh
- 08 Sti engine/oil PROBLEM. please help
- Acceleration on dirt?