Audi A5 2.0 TFSI - Cat-Back Exhaust System with Dual Outlet Polished GT100 Trims Model_M140i (F20 / F21 LCI) 3 & 5 Door (2015-19) The valves open and close

The valves open and close depending on the vehicle's drive mode

The limitation of how much volume of fuel the high pressure pump can flow is dependent upon the volume displaced by the pressurizing cylinder inside the pump

EML lights will activate after removing the standard primary O/E catalyst

The de-cat exhaust version is sold for motorsport and off road use only and will NOT be able to pass a UK MOT emissions test or police road side checks

Our system is engineered to fit exactly like OEM with simple hand tools and includes all new installation hardware

Audi A5 2.0 TFSI - Cat-Back Exhaust System with Dual Outlet Polished GT100 Trims Model_M140i (F20 / F21 LCI) 3 & 5 Door (2015-19) The valves open and closeOur 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