I want a catback that is quiet..
Stock '02 SS M6
If you haven't, try www.ls1sounds.com that'll give you an idea of what each sounds like
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PS I would pick up around 7 rwhp with my open QTEC over my old Dual Dual.
Will my stock SLP D/D flow as well as the 3" pipe that goes from the cats back to the muffler? And does my stock muffler restrict the exhaust a lot? I do love the sound I just wanna make sure my baby can breath. I am doing a cam install soon...


