Audi S4/S5 B9 Non Sport Diff models - Resonated (Quieter) Cat-Back Exhaust System with Quad GT-90 Burnt Titanium Trims Genuine+VAG 4 TFSI performance exhaust is

4 TFSI performance exhaust is made in 2

Static Sound Example - Quad Exit Single Valved GPF Back

replacing the GPF exhaust section

Filter Width: 228mm (8

During the design stages

Audi S4/S5 B9 Non Sport Diff models - Resonated (Quieter) Cat-Back Exhaust System with Quad GT-90 Burnt Titanium Trims Genuine+VAG 4 TFSI performance exhaust isOur 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