BMW M3 Forum (E90 E92) - View Single Post - Secondary cat delete with oem exhaust mod?

1sikbmr · 07-26-2012, 10:20 AM

I gutted my oem secondary cats and had the oem exhaust mod. It was barely louder but definitely more deep in sound.

07-26-2012, 10:20 AM	#2
1sikbmr Brigadier General 145 Rep 3,329 Posts Drives: F80 M3 6MT Join Date: Mar 2010 Location: New York iTrader: (16)	I gutted my oem secondary cats and had the oem exhaust mod. It was barely louder but definitely more deep in sound. __________________ F80 ///M3 6MT Avus Blue ZCP
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