Thread: Downpipe noise
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      11-15-2012, 05:49 AM   #4
Vitoco
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Drives: F31 328i M Sport
Join Date: Mar 2012
Location: Sweden

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Well, what did you expect? If you want no drone go with the Performance exhaust, meaning original dp.

Besides the obvious sound change, how much difference in performance do you feel?
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Glacier Ag. F31 328iA RWD M Sport oct. 2012
| Sport Automatic | Adap. M Susp. | Pano. Moonroof | 20" ATS Racelight Grey w. Michelin PSS| M Sport brakes | Harman Kardon | Elec. Seats | PDC F&R | ACC Stop&Go | 335i MPE | Perf. Parts |