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 worldwide. - 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 globally Specifications: - Pipe Diameter: 69.85 - Fitting Time: 1.5 to 2 hours (including removing OE system) - Fitting Notes: +0.5 to 0.8 for valance fitting - Race Product: No - EMarked: Yes - EMark Number: e24*70/157*1999/101*1070*00 Kit comes with: - MSAU331: Connecting Pipe - MSAU331 - MSAU333: Rear Section - MSAU333 - MSAU336: Polished Jet (round) 100 Exhaust Tip, LH - MSAU336 - MSAU337: Polished Jet (round) 100 Exhaust Tip, RH - MSAU337 Vehicle Compatibility: - Audi TT Mk2 2.0 TFSi 2WD 2006-late 2011