BMW Header Set with Section 1 and G-Sport Ultra High Flow Cats - Active Autowerke 11-084

BMW Header Set with Section 1 and G-Sport Ultra High Flow Cats - Active Autowerke 11-084 

BMW Header Set - Active Autowerke 11-008

BMW Header Set - Active Autowerke 11-008   The Active Autowerke BMW E46 M3 Header is designed to increase exhaust flow without losing power which can sometimes be a tricky proposition.   These...