Re: Day 1 & back to Day 2 Exhaust.....
DynoMax 17749 turbo muffler 2.5''. That's a 20 in case. They also have a 14''. Same performance, just a little quieter with the 20.
Just run 2.5 from headers back to your stock tailpipes. Won't choke anything under 500hp. Quiet until you jump on it.
Google: Exhaust-Pontiac street performance.
Jim Hand did a lot of testing with his 11 second station wagon.
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