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Bubbles · 06-10-2011, 10:05 AM

I ran M3s with and without the performance exhaust at the track this week. The Exhaust sounds awesome, nearly no drone and on the track the car sounds completely different. That's the good news, bad news I didn't feel much of a performance boost.

06-10-2011, 10:05 AM	#15
Bubbles Brigadier General 2753 Rep 4,445 Posts Drives: Green Bastard Join Date: Jun 2007 Location: Bishop Bend iTrader: (3)	I ran M3s with and without the performance exhaust at the track this week. The Exhaust sounds awesome, nearly no drone and on the track the car sounds completely different. That's the good news, bad news I didn't feel much of a performance boost. __________________
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