ok heres the deal, i have a camaro rs with a lo3 and im probably going to swap it out for a 350tbi eventually. i want to get a full exhaust (from hedders, high flow cat, cat back system all the way to exhaust tips)that will improve my lo3's exhaust that i can keep and use with a lo5. what do you suggest? looking for hp/tq gains and needs to pass az visual and sniffer emission testing. thanks alot.

 

I would suggest you read the stickies at the top of this forum...they answer specifically your questions