BMW M140i Resonator GPF/PPF Delete Performance Exhaust s4b9 less restriction means a smoother

less restriction means a smoother air flow and an increase of power

GPF Back with Box Delete Test Results:

Throughout years of in-house development

The Cobra Sport research and development team quickly made the decision to base the new M4 exhaust systems on 3in (76

BMW M140i Resonator GPF/PPF Delete Performance Exhaust s4b9 less restriction means a smootherFits both PPF and earlier pre PPF models requires mandatory ECU reflash when fitted to PPF models. Fitment to PPF equipped models 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 BMW M140i performance exhaust is made in 3inch 76. 2mm pipework