Audi S4/S5 B9 Non Sport Diff models - Non-Resonated (Louder) Cat-Back Exhaust System with Quad GT-90 Burnt Titanium Trims Caption PPF / Resonator Delete Example of the Audi RS3

Example of the Audi RS3 8V Performance Exhausts (Secondary Catalyst Delete Pipes)

2mm pipework and fits from the Gasoline Particulate Filter section backwards (GPF-back) replacing the centre and rear sections

Sports Cat/De-Cat Front Downpipes - To standard and Cobra Sport Cat/GPF-Back exhaust fitment

This allows racers to reliably increase boost and advance ignition timing—without using high-octane racing fuel—for power gains of up to 20%

High film strength for ultimate protection

Audi S4/S5 B9 Non Sport Diff models - Non-Resonated (Louder) Cat-Back Exhaust System with Quad GT-90 Burnt Titanium Trims Caption PPF / Resonator Delete Example of the Audi RS3Our 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