The Scorpion SBMC050 is a direct-fit sports catalyst for the BMW E46 M3 (2001-2006). It replaces the OEM catalytic converter with a high-flow unit designed for fast road or track-day use.
Bolt-on fit for OEM and Scorpion exhausts with 63.5mm (2.5 inch) pipe diameter
Optimised for Stage 2 ECU remaps - improves throttle response and flow
Made in the UK; pairs with Scorpion resonated or non-resonated cat-back systems
Not road legal - for motorsport use only. Alters factory emissions control.
