paulsx Posted May 8, 2022 Share Posted May 8, 2022 Hi guys the 350 I brought is far too loud and I need to quieter down the exhaust. By the look of it has a milltek y pipe, sports cats and a non resonator back box. What can i do to kill some of the noise? Quote Link to comment Share on other sites More sharing options...
veeg33 Posted May 9, 2022 Share Posted May 9, 2022 Standard cats should make it much better IMO. However if your zed has been remapped with sports cats, that might affect your performance. I know someone run pretty similar setup as your except sports cats. I think he has a non-res Cobra. Sounds pretty good and not too loud. Get a pair of used standard cats from @ZMANALEX 1 Quote Link to comment Share on other sites More sharing options...
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