Spchlss Posted July 21, 2018 Report Share Posted July 21, 2018 Any suggestions for a muffler/cat back exhaust for a 2.4L 720? Don’t want something raspy, just nice deep tone, if that’s even possible. 1 Quote Link to comment
datzenmike Posted July 21, 2018 Report Share Posted July 21, 2018 California. Probably will have to pass emissions inspection so the Cat has to stay. Go up to 1/4" larger pipe back to the muffler. If there's a resonator... keep it. Or replace with one of those 'bullet' straight through glass packs. For a muffler, try any 'turbo style' which is packed with sound absorbing material, avoiding anything you can look directly through (fart can popular with the under 20 crowd) and use a tail pipe. I don't know your age which really determines your ability to withstand noise. Maybe try without the tail pipe first and add it if too annoying. On my car, I just kept the resonator up front and the stock pipe but put a larger inlet/outlet cheap ass muffler with a 45 degree down turn and no tail pipe. Best of all it's quiet, with a slight rumble which is loudest at idle. The sound is trapped under the car and to some extent reflects off the pavement. With a tail pipe it would be really quiet. If I ever have to change the front pipe I would go to a larger diameter.... but that's just me. It's hard to recommend something that is so personal as sound. You almost have to try something on and alter it till it fits 1 Quote Link to comment
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