BMW M3 Forum (E90 E92) - View Single Post - AUTOcouture **group Buy Special** ACM OEM EXHAUST MOD!!!

lacartus · 10-26-2012, 02:06 PM

I'm interested based on the value and testimonials. If the perforated pipes are just replaced with straight pipes, why not just use straight pipes and save the weight of the muffler housing?

10-26-2012, 02:06 PM	#25
lacartus Blah blah blah Drives: M3 Join Date: Jun 2007 Location: NJ Posts: 132 iTrader: (0)	I'm interested based on the value and testimonials. If the perforated pipes are just replaced with straight pipes, why not just use straight pipes and save the weight of the muffler housing? __________________ Ian 2009 e90 MT