Audi RS5 B9 Non GPF Models - Resonated (Quieter) Cat-Back Exhaust System with Burnt Titanium Oval Trims Model_GLA 45 (2013-18) Fitting Video - BMW M4

Fitting Video - BMW M4 Performance Exhaust (Valved Primary Cat Back Exhaust)

This makes the M440i an extremely entertaining package

Ceramic-coated Blackout and Carbon Fibre tips available (optional extra)

For those looking to go further

Plug and play exhaust valve controller

Audi RS5 B9 Non GPF Models - Resonated (Quieter) Cat-Back Exhaust System with Burnt Titanium Oval Trims Model_GLA 45 (2013-18) Fitting Video - BMW M4Our 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