Guest greimann Posted November 13, 2002 Share Posted November 13, 2002 Most of the 70-83 crowd have to go two into one, which is usually 2 1/2" for the duals and 3" for the single, through a 3" Dynomax Super Turbo (at least that is what I have anyway, along with dual cats). Does your 3rd gen allow for duals all the way back? If so, controlling noise is going to be difficult even with large case Super Turbos. Quote Link to comment Share on other sites More sharing options...
Guest SteveR Posted November 13, 2002 Share Posted November 13, 2002 I want the quietest exhaust possible without killing every drop of power I've got. I'm going for the sleeper effect here. Any suggestions? Certain mufflers? Pipe diameter? I've got a 305, with stock exhaust manifolds, BTW. Still don't know what intake I'm going to be going with, if that makes a difference. It'll be a fairly mild build anyhow... Thanks. Quote Link to comment Share on other sites More sharing options...
Tim240z Posted November 13, 2002 Share Posted November 13, 2002 For what it's worth: I have a set of Tri-Y headers on my LT1 (2 x 1.75" into 2.25" into 3") full length headers into dual 2.5" into single 3" with one dynomax muffler in the back. I was expecting to have to put a pair of bullet mufflers in the 2.5" sections, but when I fired it it sounded very mellow and fairly quiet. The only thing I can think of is that having the Tri-Ys on firing order, the resonance is pretty much cancelled out. Tim Quote Link to comment Share on other sites More sharing options...
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