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 to ensure durability in harsh conditions. The range is continuously developed to meet the demands of a wide variety of vehicles. - Direct replacement for the original exhaust system - Available in multiple configurations for sound and tone customization - Constructed from 304L aircraft grade stainless steel - Manufactured in the UK and distributed to over 90 countries Specifications: - Pipe Diameter: 76.20 - Race Product: No - EMarked: No Kit comes with: - Centre Silencer - MSAU618 - Rear Silencer (non-valved) - MSAU653 - Cerakote Black Jet (oval) 104 x 80 Exhaust Tip - MSTIP162 Vehicle Compatibility: - 2013-2018 Audi S3 2.0 TFSI quattro 3-Door 8V/8V.2 (Non-GPF Equipped Models Only)