Quote:
Originally Posted by Chicken_Joe
Has anyone done the muffler mod on the stock exhaust? I have done it on an F30 M Performance muffler. Gutted the muffler, but left a littler perforation. Sounded great. Although a little metallic with catless. Sound very nice in stock exhaust. Would anyone be interested in something like this if I were to make one?
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Can you explain the process?