BMW F80 M3/F82 M4 - Secondary Catalyst Delete Pipe (For Miltek Cat-Back) Audi > RS4 > B7 4.2 V8 Saloon Comfort to Sport+ mode) your

Comfort to Sport+ mode) your exhaust tone will continue to swap from quieter to louder tones as before

which when combined with the Organic Friction plate

Cobra Sport's modular exhaust range allows you to build on your existing Cobra Sport system and upgrade to the next stage in the future

- Nortech de-cat downpipe & secondary section

As with all Cobra Sport performance exhausts the main ingredient is the Audible Emotion injected from the R&D team that really transforms your drive and tempts you into taking the scenic route home

BMW F80 M3/F82 M4 - Secondary Catalyst Delete Pipe (For Miltek Cat-Back) Audi > RS4 > B7 4.2 V8 Saloon Comfort to Sport+ mode) yourSome vehicles sport two catalysts due to their dual pipe assembly. The Secondary Catalyst Bypass pipe removes the secondary catalysst to further improve gas flow and reduce the restrictions caused by catalysts within the exhaust system. All our performance exhaust systems are designed with you in mind, and we cater to an ever expanding range of vehicles. We believe in continuous evolution, and our research & development team work throughout the year