5150 AutoSport Turbo Exhaust Manifold, BMW S54

Our 5150 AutoSport Turbo Exhaust Manifold header designed for the BMW E46 M3 S54 engines features an equal length design with a single port wastegate which enhances exhaust gas flow and promotes quicker turbocharger response. This design facilitates quick spool and overall power delivery, resulting in improvements across the entire power band, including mid and top-end power. Our product has been tried and tested by customers worldwide for many years, and their satisfaction with the results is a testament to the quality of our design.

CNC Stainless steel head flange 1/2" Thick
Material 304SS 
1.25" Schedule Pipe Primaries
Choice 44mm or 60mm wastegate
Equal Runner Design 
Professionally TIG welded and back purged
Made in USA