BMW M3 Forum (E90 E92) - View Single Post

d_dot · 04-15-2009, 02:55 PM

so saying i would go with no cats at all which exhaust from the end of the headers all the way back will produce the most hp gains?

04-15-2009, 02:55 PM	#74
d_dot 4 * General Drives: E92 M3 & 335,F10 535xi,Audi R8 Join Date: Dec 2007 Location: Tri-State Posts: 621 iTrader: (0)	so saying i would go with no cats at all which exhaust from the end of the headers all the way back will produce the most hp gains? __________________ Nissan GT-R (Sold) When Driving Nice Whips It Helps To Have Nice Kix!