BMW M135i 3 & 5 Door (F20 & F21) Cat Back Exhaust (Non-Resonated) Powerflex Special spacer and center bolt

Special spacer and center bolt are included so the kit parts do not come in contact with the brim on the oil filter installation position when installing the oil cooler attachment

Kompact Dual Port provides better boost response and greater boost handling capability

Ni & Mg) that has low thermal expansion

P1 24% reduction plus moves shifter forward 25mm

BMW M135i 3 & 5 Door (F20 & F21) Cat Back Exhaust (Non-Resonated) Powerflex Special spacer and center boltPart 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)