Milltek Cat-Back Exhaust - Audi S4 (B8.5) Airtec 4 to select:The lower output

4 to select:The lower output 245PS engine

Straight and Banjo Nipples

complete install kit to be matched with Racingnline's OEM+ software and Supporting Mods for a true 'Plug and Play' solution

The Racingline Performance Billet Engine Coolant Cap provides a complete replacement for the plastic OEM version

All of the Milltek exhaust systems endure a comprehensive acoustic development process to deliver a tone that is sporty and crisp

Milltek Cat-Back Exhaust - Audi S4 (B8.5) Airtec 4 to select:The lower outputMilltek Cat Back Exhaust Audi S4 (B8. 5) facelift Pipework Diameter 2. 37" (60. 30mm) Kit Includes: LH Downpipe RH Downpipe Front Silencer Assembly Centre Silencer Assembly LH Rear Section (Road = With Silencer Race = Without Silencer) RH Rear Section (Road = With Silencer Race = Without Silencer) Brace Bar LH Tailpipes Assembly RH Tailpipes Assembly Notes: The Valvesonic Version of this exhaust is supplied with active exhaust valves, a loom, and