BMW M3 Forum (E90 E92) - View Single Post - DIY: OEM x-pipe secondary cat removal/gut

alpine92m3 · 03-23-2011, 10:57 AM

hey thanks a lot ! one more question i'm having an exhaust shop do this mod .. do you think it will make any difference in sound or anything thing in that nature if i just replace the cats with straight pipe.. ? once again thanks!

03-23-2011, 10:57 AM	#26
alpine92m3 Banned 46 Rep 663 Posts Drives: 2008 AW e92 m3 coupe Join Date: Mar 2011 Location: usa iTrader: (7)	hey thanks a lot ! one more question i'm having an exhaust shop do this mod .. do you think it will make any difference in sound or anything thing in that nature if i just replace the cats with straight pipe.. ? once again thanks!
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