BMW E46 M3/M3 CSL - Cat-Back Exhaust System with Quad Polished Trims Part_De-Cat Requires mandatory ECU reflash

Requires mandatory ECU reflash

The exhaust valves can also be controlled by the OEM valve control system

the sound of the car from the factory has been severely limited offering a lacklustre and uninspiring exhaust sound

Cobra Sport Exhausts Audi / VW promotional video

BMW E46 M3/M3 CSL - Cat-Back Exhaust System with Quad Polished Trims Part_De-Cat Requires mandatory ECU reflashOur range of Cat Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system, available in multiple configurations enabling the owner to choose the increase in volume of their exhaust and or add a more suitably aggressive tone. All our products are made from 304L Aircraft Grade stainless steel. This quality material will ensure that your Cat Back system