Audi S5 B9 Sport Diff models with Brace Bars - Non-Resonated Cat-Back (Louder) with Quad Carbon Trims Non-OPF/GPF & Post Facelift) > 2018 to 2019 The surface is hardened and

The surface is hardened and heat treated in 2 different stages

Exhaust Sound Example - Mini Cooper S F56 Non Resonated Cat Back Exhaust

Static sound example of the Mercedes-AMG A 35 GPF Back Box Delete Exhaust

This non-resonated version exhaust replaces the factory fit secondary silencer (excluding the centre silencer) and is designed without a rear box offering a sportier exhaust note

Click here to view the product page for the upgraded internals

Audi S5 B9 Sport Diff models with Brace Bars - Non-Resonated Cat-Back (Louder) with Quad Carbon Trims Non-OPF/GPF & Post Facelift) > 2018 to 2019 The surface is hardened andOur 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