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. All products are manufactured from 304L aircraft grade stainless steel, ensuring 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 customization - Manufactured from 304L aircraft grade stainless steel - Designed for durability and performance Specifications: - Pipe Diameter: 60.30 - Installation Time: 2 to 3 hours (including removal of OE system) - Race Product: No - EMarked: Yes - EMark Number: e24 70_157 2007_34 1523 00 Kit comes with: - LH Downpipe - MSAU461 - RH Downpipe - MSAU462 - Front Silencer - MSAU463 - Centre Silencer - MSAU464 - LH Rear Section (no tip) - MSAU503 - RH Rear Section (no tip) - MSAU504 - Brace Bar - MSAU513 - Polished GT (round) 100 Exhaust Tip, LH Twin Tip - MSAU601 - Polished GT (round) 100 Exhaust Tip, RH Twin Tip - MSAU602 Vehicle Compatibility: - 2012-2016 Audi S4 3.0 Supercharged V6 B8.5 - 2012-2016 Audi S5 3.0 TFSI B8.5 Sportback