With a downpipe you'll need a tune.
You could put an up pipe and catback on and have no problems.
This is a discussion on Exhaust Question?? within the New Member Hangout forums, part of the Community - Meet other Enthusiasts category; Hey all! I have been researching a 2002 WRX for a few days, and have noticed that when you put ...
Hey all! I have been researching a 2002 WRX for a few days, and have noticed that when you put an exhaust on a WRX that you should do some tuning. So my question is does it matter if its a cat back exhaust, a full catless exhaust, or what? Im new so cut me some slack if this is a stupid question. Thanks in advanced.
With a downpipe you'll need a tune.
You could put an up pipe and catback on and have no problems.
2005 WRB WRX "was" STAGE 2
Alright thanks for clarifying that for me!
You will probably be able to glean some good info from these threads:
Engine Performance FAQ [[[READ ME]]]
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