S58 Crossover Pipe For BMW G80 M3, G82 M4, G83 M4 Explorer Our high-quality n54 downpipes are

Our high-quality n54 downpipes are engineered to unlock the full potential of your N54 engine

• View and record up to 30 different gauges/engine parameters in real-time with the JB4 app

Our team of skilled engineers and designers continuously push the limits of innovation to offer cutting-edge solutions that enhance your vehicle’s style and performance

Replace factory bolts

S58 Crossover Pipe For BMW G80 M3, G82 M4, G83 M4 Explorer Our high-quality n54 downpipes areThe ARM S58 Crossover Pipe is designed to replace the restrictive factory S58 crossover pipe with a fully round design that improves exhaust flow. Unlike the OEM oval shaped pipe, the ARM crossover pipe maintains a consistent round shape, eliminating turbulence and flow restrictions caused by the factory design. Exotic exhaust sound Precision laser cut flanges Compatible with OEM and upgraded midpipes SS304 stainless steel construction 4 lbs lighter