daves16v 1 Posted March 19, 2007 What is it that makes an exhaust loud? Is it just the back box, is it the silencers, bore size or a combination of things? Thanks Quote Share this post Link to post Share on other sites
Guest Posted March 19, 2007 combination. My Magnex cat back system has a nice gurgling chatter now, on over run :) Quote Share this post Link to post Share on other sites