Audi S5 B9 Sport Diff models without Brace Bars - Resonated (Quieter) Cat-Back Exhaust System with Quad GT-100 Titanium Trims Genuine+VAG Standards: FMVSS 116 DOT 4

Standards: FMVSS 116 DOT 4

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Example of BMW M140i sports exhaust ('Cat back' combination of PPF Delete and Rear Box Exhaust)

4 TFSI sports exhaust (cat back - non-resonated)

Audi S5 B9 Sport Diff models without Brace Bars - Resonated (Quieter) Cat-Back Exhaust System with Quad GT-100 Titanium Trims Genuine+VAG Standards: FMVSS 116 DOT 4Our 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