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. Each system is manufactured from 304L aircraft grade stainless steel, ensuring durability in harsh conditions. All products are made in the UK and distributed to over 90 countries. - Direct replacement for the original exhaust system - Multiple configurations for sound and tone options - Manufactured from 304L aircraft grade stainless steel - Made in the UK and distributed worldwide Specifications: - Pipe Diameter: 76.20 - Race Product: No - EMarked: No Kit comes with: - Centre Silencer - MSAU618 - Rear Silencer (non-valved) - MSAU653 - Brushed Titanium GT (round) 100 Exhaust Tip, Standard - MSVW374 Vehicle Compatibility: - Audi S3 2.0 TFSI quattro 3-Door 8V/8V.2 (Non-GPF Equipped Models Only) 2013-2018