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 achieve a more aggressive tone. Each system is manufactured from 304L aircraft grade stainless steel to ensure durability in harsh conditions. All products are made in the UK and distributed to over 90 countries. - Direct replacement for the original exhaust system - Available in multiple configurations for sound and tone adjustment - Constructed from 304L aircraft grade stainless steel - Manufactured in the UK and distributed worldwide Specifications: - Pipe Diameter: 70.00 - Race Product: No - EMarked: Yes - EMark Number: e24 70_157 2007_34 2094 00 Kit comes with: - Front Silencer - MSAU584 - Centre Connecting Pipe - MSAU585 - Rear Outlet Pipe Assembly - MSAU586 - Polished GT (round) 80 Exhaust Tip, Standard - MSVW370 - Front Silencer Adapter - MSAU591 Vehicle Compatibility: - 2013-2020 Audi A3 2.0 TDI 184PS MQB 2WD (3 Door & Sportback Models)