Audi S3 8Y - Part-Resonated Cat-Back Exhaust System with Cerakote Black Oval Trims touranmk1 For the cold-side pipework this

For the cold-side pipework this increases to a massive 70mm to ensure maximum air flow and volume is achieved at the throttle body to maximise performance

The range topping M440i follows the traditional BMW formula

Cobra Sport have improved the styling of the BMW M135i

The default valve operating ranges will be lowered to allow for the valve to open sooner than the standard settings

Audi S3 8Y - Part-Resonated Cat-Back Exhaust System with Cerakote Black Oval Trims touranmk1 For the cold-side pipework thisOur 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