BMW M3 Forum (E90 E92) - View Single Post

mixja · 05-04-2010, 11:45 PM

Doing the primary cat delete only in my car definitely has netted more than 8WHP. I think more like 20WHP and a whole lot more torque.

Definitely recommend the primary cat delete only, no smell issues and retain that stock OEM exhaust sound.

05-04-2010, 11:45 PM	#5
mixja Captain 51 Rep 780 Posts Drives: 2011 E90 DCT Silverstone Join Date: Jun 2008 Location: Beverly Hils, CA iTrader: (1)	Doing the primary cat delete only in my car definitely has netted more than 8WHP. I think more like 20WHP and a whole lot more torque. Definitely recommend the primary cat delete only, no smell issues and retain that stock OEM exhaust sound.
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