Need ideas for quieter exhaust sound
So I have a custom diffuser that covers the whole rear bottom of the car. The RPI clears but my few mm so I installed a new muffler that looks similar to RPI but a lot thinner. The problem is both are too loud so I hope you guys can help me.
I need a universal or aftermarket muffler that it's thin enough to clear my diffuser but at the same time I wanna keep it quieter than RPI.
Do you guys know any universal valvetronic muffler?
Should I add resonators on section 1?
I don't mind the muffler being single pipe.
I already know that I will need some custom work.
Thanks for your help.
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