Quote:
Originally Posted by LACSTER
What's up guys, I recently switched up exhaust again!!!
F10 M5 Exhaust with Motiv Concept 102mm stainless steel tips.
The sound is exactly what I've been looking for. Has a very tight raspy sound but keep in
mind I have a catless downpipe so I'm sure that gave it a bit more uph.
Here's a few iphone sound clips.
Here's a crappy take off clip 
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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!