Quote:
Originally Posted by Vinalero
I'm on my way to complete my exhaust set up and I was wondering which brand of Cat and muffler to buy. I'm gonna probly try a dynomax turbo muffler but for the High flow cat, I just dont know.
I dont want to get one with ceramic because I want it to last for a while.
I'd like to go 2.5 inch piping or even maybe 2.75 or 3 since I'm boosted now.
So what are your opinions on this?
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Some people will tell you a 3" exhaust is too big even with a supercharger. Since the supercharger provides instant boost, exhaust scavenging at low rpms becomes much less important. With that said, a 3" exhaust will gain a little more power over the 2.5" piping, but it will be pretty loud, especially since there's no turbo in the exhaust stream to help keep it quiet.
I'd stick with 2.5" piping with a Magnaflow metallic high flow cat (part no. 59956), long resonator and large straight through muffler, like something from Magnaflow or Vibrant.