C calyon Club Guest Joined Oct 31, 2006 Messages 49 Points 0 Nov 22, 2006 #1 anyone did a replacement on E46 original catalytic converter with a straight-flow bullet (i.e. Hotbits, etc)? could there be any improvement on the performance, a higher noice level or perhaps lower fuel consumption instead? tqtq
anyone did a replacement on E46 original catalytic converter with a straight-flow bullet (i.e. Hotbits, etc)? could there be any improvement on the performance, a higher noice level or perhaps lower fuel consumption instead? tqtq
auxoura Club Guest Joined Jul 13, 2006 Messages 75 Points 0 Nov 22, 2006 #2 check engine light will pop out i think