The 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. The performance exhaust systems are developed for a wide range of vehicles, with ongoing research and development to meet performance exhaust requirements. All products are made in the UK and distributed to over 90 countries worldwide. - Direct replacement for the original exhaust system - Available in 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: - Rear Silencer (non-valved) - MSAU653 - Cerakote Black Jet (oval) 104 x 80 Exhaust Tip, Long - MSTIP164 - Centre Silencer - MSAU618 Vehicle Compatibility: - 2013-2018 Audi S3 2.0 TFSI quattro Sportback 8V/8V.2 (Non-GPF Equipped Models Only)