Audi S5 B9 Sport Diff models without Brace Bars - Non-Resonated (Louder) Cat-Back Exhaust System with Quad GT-100 Polished Trims Seat / Cupra > Leon > FR 1.8 TSI 180PS SC and 5-door > 2013 to 2018 Filter Length: 227mm (8

Filter Length: 227mm (8

Our STG4 package has been rigorously tested on several Golf 6R development vehicles

Vehicle Compatibility

designed as a direct replacement for the original system

Audi S5 B9 Sport Diff models without Brace Bars - Non-Resonated (Louder) Cat-Back Exhaust System with Quad GT-100 Polished Trims Seat / Cupra > Leon > FR 1.8 TSI 180PS SC and 5-door > 2013 to 2018 Filter Length: 227mm (8Our 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