Thread: W-Body Custom Exhaust Build

Originally Posted by HighOctaneRacing

I'm finally getting around to getting my exhaust done and was wondering what setup this is. I bought some thrush turbo muffs (17715) and a Dynomax glasspack (24242) and was planning on going full 3" with it, but i just got off the phone with the guy at the muffler shop and he said that going 3" isn't worth it at all because of the loss in back-pressure. He recommended just going with 2.5". Whats the call? Love the sound of your car by the way!