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      04-10-2009, 06:25 PM   #5
hyeline335
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Drives: 335i Metallic Silver 4Dr
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Quote:
Originally Posted by Bimmer335i07 View Post
Drone is a sound from the exhaust that you will hear in the cabin around 2k-3k rpm. It's a sound like a deep bass noise. Not really sure how to explain it. Most cars with aftermarket exhaust have droning. I have the Borla Catback exhaust and it comes with the x-pipe and it still drones a little. It's not that bad. Well, at least in my opinion.

I'm sure somebody else will be able to answer you question better.

Thank you! If it's not that bad, then I'll probably do it! any tips on piping?