Audi A4 2.0 B8 S line (Manual) - Resonated (Quieter) GPF/OPF Back System with Dual Outlet Polished Trims Model_320D (E91) Estate 07-11 an increase of +11

an increase of +11

however the main benefit is that the bottom is made from Steel rather than Alloy

After testing the car both with the OE system and a range of our upgrades

Audi have gone to great lengths to make sure that the new version of their Quattro

K03 Turbo Engine Codes

Audi A4 2.0 B8 S line (Manual) - Resonated (Quieter) GPF/OPF Back System with Dual Outlet Polished Trims Model_320D (E91) Estate 07-11 an increase of +11Our 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