Supersprint BMW E46 M3 Stainless Center H-Pipe - ResonatedEnhance the exhaust flow and sound character of your BMW E46 M3 with the Supersprint Centre Exhaust Twin Pipe (Resonated). Designed specifically for the S54 powered E46 M3, this mid section replaces the restrictive factory center pipe with a high flow stainless steel dual pipe configuration that improves exhaust efficiency while maintaining a refined sound profile. Supersprint engineers this system using oversized 63. 5 mm twin piping, allowing