BMW 3-Series (E90 E92) Forum - View Single Post

blackbeast06 · 03-16-2012, 10:40 AM

Would these headers be a high flow cat version? I have to e-check my car so i don't know if o2 sims would get me past that.

03-16-2012, 10:40 AM	#7
blackbeast06 adrenergic stimulation Drives: 2007 E92 335i Join Date: Dec 2009 Location: Akron Posts: 237 iTrader: (4) Garage List 2006 325i [0.00]	Would these headers be a high flow cat version? I have to e-check my car so i don't know if o2 sims would get me past that. __________________ 07 335i. Montego Blue/Saddle Brown. 6 MT.