Originally Posted by GrumpyPitbull
Nice to see a guy removing garbage mods, rather than putting them on ... so no, it's not stupid of you ... it's very smart.
Also, if you want to quiet down the car you can just replace the catback exhaust .. it won't effect your tune at all.
If he's got a TurboXS turboback, he might have to swap the whole turboback with someone who has a stock turboback, then get a Cobb or similar downpipe, depending on which version of it he has.
It would be easier to swap on an STI axleback.