Adam W Posted January 19, 2002 Share Posted January 19, 2002 If you remove the cats from a car and then put a restrictor in to keep boost levels down, does the restrictor also make it quieter? Quote Link to comment Share on other sites More sharing options...
Brian Jackett Posted January 19, 2002 Share Posted January 19, 2002 The restrictor that I am going to put in my exhausts to get boost levels down is simply the same as a gasket but just made out of stainless steel with a smaller hole to restrict flow. It would make no difference to the noise of the exhaust system, IMO. The only thing in an exhaust to reduce noice is a baffle. Which you really cannot make or should try to alter what ever system you have. regards Quote Link to comment Share on other sites More sharing options...
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