Cat-Back systems are designed as direct replacements for the original exhaust, offering improved sound and aesthetics. Multiple configurations are available, allowing the owner to select the desired increase in exhaust volume or a more aggressive tone. All products are manufactured from 304L aircraft grade stainless steel, ensuring durability in harsh conditions. Each performance exhaust system is developed to fit a wide range of vehicles, with ongoing research and development to meet performance exhaust requirements. - Direct replacement for the original exhaust system - Available in multiple configurations for sound and tone customization - Manufactured from 304L aircraft grade stainless steel - Designed and made in the UK Specifications: - Pipe Diameter: 76.20 - Race Product: No - EMarked: No Kit comes with: - MSAU618: Centre Silencer - MSAU618 - MSAU647: Tip Outlet Pipe - MSAU647 - MSAU653: Rear Silencer (non-valved) - MSAU653 - MSTIP162: Cerakote Black Jet (oval) 104 x 80 Exhaust Tip - MSTIP162 Vehicle Compatibility: - 2013-2018 Audi S3 2.0 TFSI quattro Saloon & Cabrio 8V/8V.2 (Non-GPF Equipped Models Only)