BMW 4 Series F32 428i Auto - Resonated (Quieter) Cat-Back Exhaust System with Cerakote Black Trims Part_Rear Diffuser Sound example of the closely

Sound example of the closely related BMW 335D Exhaust (Dual Exit Rear Exhaust)

with the launch of a BMW M3 style quad exit exhaust system

5mm bore pipework and replaces the secondary catalyst (Cat Bypass)

ATD / AXR / BMT 100

the new Cobra Sport 430D exhaust system and replacement 440i lower rear body panel look entirely at home on the car and gives the 430D a much sportier edge with the dual exit exhaust tailpipes

BMW 4 Series F32 428i Auto - Resonated (Quieter) Cat-Back Exhaust System with Cerakote Black Trims Part_Rear Diffuser Sound example of the closelyOur range of Cat Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system, available in multiple configurations enabling the owner to choose the increase in volume of their exhaust and or add a more suitably aggressive tone. All our products are made from 304L Aircraft Grade stainless steel. This quality material will ensure that your Cat Back system