BMW M135i 3 & 5 Door (F20 & F21) Cat Back Exhaust (Non-Resonated) Bridgeway After rigorous testing they have

After rigorous testing they have developed a 63mm system for optimum performance that is finished off with twin 83mm Daytona tailpipes

Standard Features Include:

Manufacturer: MINTEX (TMD FRICTION)

7Bhp and 410FtLb of torque

Sizes held to some of the tightest tolerances in the industry

BMW M135i 3 & 5 Door (F20 & F21) Cat Back Exhaust (Non-Resonated) Bridgeway After rigorous testing they havePart number: BM74 BMW M135i Performance Exhaust Tailpipes: 3. 5" (88. 9mm) inward rolled baffled (TP161) 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 BMW M135i performance exhaust is made in 3" 76. 2mm pipework and fit from the catalytic converter section backwards (Cat back)