Thread: Lacster's Modified F10 M5 exhaust w/ 102mm Motiv Concept tips
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      02-12-2014, 10:30 AM   #27
ojp5q
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Drives: F10 BMW 535 x-drive
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Quote:
Originally Posted by LACSTER
Quote:
Originally Posted by ojp5q View Post
Hey man,

I know you got rid of these but do you know what the "coughing" sound is when the revs come down on your video? Did it have something to do with the valves or your castles DP?

Thanks!
I must be the downpipes; however without the downpipes it did have those coughing sounds every once in awhile.

I like to call the exhaust farts
Haha, nice. Thanks for the reply.
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