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 for a wide range of vehicles, with ongoing research and development to meet performance exhaust requirements. - Direct replacement for the original exhaust system - Multiple configurations for sound and tone customization - Manufactured from 304L aircraft grade stainless steel - Developed for a wide range of vehicles 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 - MSTIP161: Polished Jet (oval) 104 x 80 Exhaust Tip - MSTIP161 Vehicle Compatibility: - Audi S3 2.0 TFSI quattro Saloon & Cabrio 8V/8V.2 (Non-GPF Equipped Models Only) 2013-2018