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

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 2018Our 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

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

0 TFSi (265BHP

increasing the noise levels by +6

Letting you be able to add that extra personal touch to your vehicle

these parts replace the centre and rear sections

perform a free-air calibration if desired as the sensor ages

(Dynamic Mode) Engine at Idle: 66

as it keeps a barrier and connection point between your camshaft and your high pressure cam driven fuel pump

The M135i is shipped from the factory with a muted exhaust sound leading to a very disappointing driving experience

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

independent testing has revealed that the 3” Turbo back upgrade with a re-map produces over a 20% increase in BHP