Quote:
Originally Posted by benzy89
PM/Call/Email AutoCouture Motoring (Fair Lawn, NJ) -- They basically started the OEM M3 exhaust mod & would be the most informed about if this could be done for an N54
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+1. They have a method of modifying the mufflers and bypassing the silencing in the setup while keeping the stock look. I was just discussing this with them the other day. About 1/3 the price of BMW PE.