BMW 420i (F32/F33/F36) (13-20) Quad Exit M4 Style Performance Exhaust Conversion

Fits: F32 (Coupe), F33 (Convertible) and F36 (Gran Coupe) (incl LCI) B48 Petrol M-Sport models.

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 420i performance exhaust fits from the centre section backwards replacing the standard rear section with quad exit tailpipes.

This performance exhaust is designed to fit 420i vehicles with the M-Sport body kit with the addition of the interchangeable quad exit M4 Style lower rear panel.

Once fitted, the new Cobra Sport 420i quad-tip exhaust conversion and replacement body panel look entirely at home on the car and gives the 420i a much sportier edge with dynamic sound and improved looks. 

Cobra Sport offers performance exhausts to fit N20 and B48 420i vehicles with the M-Sport body kit with the addition of the interchangeable quad exit M3 Style lower rear panel.

Please check which fitment type you have fitted on your car before purchasing (2013-17 UK/Europe: Pre-GPF models, 2015-20 Rest of the world models or 2018-20 UK/Europe: GPF-models).

Please note: The 'UK/Europe: Pre-PPF' and 'Rest of the world' fitment options will not fit models equipped with a GPF (Gasoline Particulate Filter).

All relevant fittings and gaskets are supplied (quad exit rear panel sold separately).

Note - The original pipework will have to be cut to enable this exhaust to fit the vehicle.

Please note: This performance exhaust does not fit models equipped with a GPF (Gasoline Particulate Filter).

This product fits models equipped with factory-fit tow bar. 

Press Release

The latest hot new product to drop from Sheffield-based exhaust specialists, Cobra Sport, is this high-quality, cosmetic, quad tailpipe system for the popular BMW 420i M-Sport Coupe, Cabriolet and Gran Coupe.

Manufactured from high-quality T304 stainless steel, this centre and rear section exhaust upgrade features 2.5in (63.5mm) mandrel-bent pipework with aggressive slash-cut quad tailpipes. Designed as a direct replacement for the OEM system, it fits both Coupe and Cabriolet M-Sport models, once the mandatory aftermarket replacement rear valance has been fitted.

This M4-inspired conversion would make the perfect addition to any 420i M-Sport, especially remapped examples, which are capable of impressive power and torque gains.

Like all Cobra Sport exhausts, this system utilises precision TIG-welding techniques for exemplary fit and finish - a feature that sets Cobra Sport apart from other manufacturers.

With over 25 years in the performance exhaust industry, each Cobra Sport exhaust system is designed, manufactured and tested in Sheffield, the heart of the UK steel industry. Cobra Sport utilise TIG-welding techniques to ensure a flawless finish and quality that you can rely on.