The Active Autowerke S54 Performance Exhaust Header was designed to fit the E46 M3, increasing exhaust flow for additional power gains.
By designing for optimal flow and reducing exhaust restriction, Active Autowerke designed an exhaust header that will give the E46 M3 owner immediate results.
KEY FEATURES:
Improved power & torque curves throughout entire RPM range
Available for Coupe, Convertible, & Sedan
Designed for RACE and/or TRACK USE
100% 304 Brushed Stainless Steel finish
Mandrel-bent tubing for a smooth & unrestricted flow