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

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

maximising the flow rates and optimising the tuning potential of Volkswagen's hottest hatchback

SEAT Leon Cupra and other MQB platform vehicles

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