Originally Posted by noodles101
i say big no to magnaflow... my buddys 325is has crazy drone at all speeds.
im also interested to know which exhaust sound good with no drone sound.
thats not because of magnaflow, thats because the rest of the exhaust isn't done right, u need aftermarket resonators if u run aftermarket mufflers.
IMO the M3 muffler is quieter than stock.