Audi RS5 B9 GPF Models - Road+ Cat-Back Exhaust System with Titanium Oval Trims BMW > 4 Series > F82/83 M4 Coupe/Convertible & M4 Competition Coupe�� (Non-OPF equipped models only) > 2014 to 2018 0 TFSI will work perfectly

0 TFSI will work perfectly with the more effective pump after you delete the balance shafts

All in all these are certainly impressive results for this little car

increasing the noise levels by +6

Sound - Engine at Idle: 71dB (+1dB) - Static 4

Audi RS5 B9 GPF Models - Road+ Cat-Back Exhaust System with Titanium Oval Trims BMW > 4 Series > F82/83 M4 Coupe/Convertible & M4 Competition Coupe�� (Non-OPF equipped models only) > 2014 to 2018 0 TFSI will work perfectlyOur 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