BMW M135i (F40) Quad Exit M3 Style Turbo Back Performance Exhaust Front Pipe:Sports Cat these systems remove the rear

these systems remove the rear silencer and exhaust valves

Other manufacturers’ products involve replacing the entire system with a traditional pneumatic valve

Guaranteed surface area using high quality custom blended polymer

On offer are a full range of configuration options including a cat-back exhaust system along with de-cat & sports cat front sections to form a full turbo back replacement

excellent response times and heavy-duty reliability

BMW M135i (F40) Quad Exit M3 Style Turbo Back Performance Exhaust Front Pipe:Sports Cat these systems remove the rearRequires mandatory ECU reflash when fitted to PPF models. Fitment is for motorsport and off road use only. Cobra Sport performance exhausts enhance the sound, looks and quality of your vehicle giving you the ultimate driving experience. Our sports exhausts range is fully guaranteed to give you assurance of our quality. This quad tailpipe exhaust conversion (quad exit 4 tailpipes)BMW M135i performance exhaust is made in 3" 76. 2mm pipework and fit from