Cobra Sport 3" Secondary De-Cat Bypass Performance Exhaust - BMW M4 (F82) Coupe (2014-19) F33 The ducts were designed to

The ducts were designed to have the maximum internal volume possible within the given geometry of the engine bay

Precisely Machined Ring Gear

This plenum can be used with the OEM airbox or any aftermarket intake system

*ONLY 2013+ models with OE Bosch HPFP

Cobra Sport 3" Secondary De-Cat Bypass Performance Exhaust - BMW M4 (F82) Coupe (2014-19) F33 The ducts were designed toCobra 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 M4 performance exhaust is made in 3" 76. 2mm bore pipework and replaces the secondary catalyst (Cat Bypass). This de cat sports exhaust is sold for motorsport and off road use only and will NOT be able to pass a UK MOT emissions