Quote:
Originally Posted by MikeE92M3
That's exactly where I have the drone too. If I go into a lower gear and go above 4k RPMS, its gone and its all normal sound to me. Must be just the "nature" of these mufflers. Hmm.
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Its what you get when you use a "generic" straight through muffler that isnt designed specifically for the vehicle..there is a reason why they are so cheap..
Dont get me wrong, I run Magnaflows on other cars and they are a good option but compared to other systems specific to the M3 that cost an arm and a leg you are not going to get the same forgiveness with drone, rasp ect