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      08-24-2012, 10:57 PM   #1
Alan l.
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Drives: 2020 F95 X5M Competition
Join Date: Jun 2009
Location: United States

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SAT Fart noise during upshift with aftermarket exhaust?

Just noticed this after getting my supersprint exhaust installed with race pipes..... under normal acceleration the car sounds normal but noticed if i'm giving the car decent amount of throttle sometimes i hear a strange fart sound right after it UPSHIFTS. Happens for only a split second and seems to only happen when the car is under a certain load...

Anybody notice this with SAT and exhaust and know what cause this??

Alan
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