- 2007 STi Headers
- exhaust rattle need some advice
- Blitz Nur Spec R question
- Invidia Q300 Cat-Back
- Does anyone have invidia v2 with n1 street
- ERZ exhaust ?
- How restrictive is the stock midpipe
- heat shield
- question/help i am doing a step down on my muffler section..
- DIY Gasket Input Needed
- where to get aps 3.5"
- header issue
- can i use the stock downpipe bolts on an aftermarket downpipe?
- which exhaust would you keep ?
- Weird sound after stage 2 install
- HELP! Need EGT plug for Maddad EL headers!
- Gruppe-S header...o rly? opinions?
- Need help choosing a Turbo-Back
- Some initial problems with downpipe removal
- sti bypass valve adapter
- sti catback exhaust questions
- How to clean off the black sh*t on my exhaust?
- Borla XR1 or P&L Street Series???
- noob new to turbo world
- Headers & egt
- stock downpipe on 3" HKS Hi-Power?
- STU legal DP
- greddy cat back probs help
- header help
- Another Emissions Thread...moving to CT from FL
- O2 sensor
- What Gasket, Bolt, Spring is needed for TBE install?
- SPT/Bosal Exhaust Bottle neck?
- Aps tsr70 compatable exhaust.
- hitch with invidia g200?
- maddad catted dp w/ Invidia q300
- Invidia or aps?
- New Invidia Q300 for the 02-07 WRX / 04-07 STi
- 05 Service Manual
- about to buy a used hks catback