Milltek Catalyst Delete Replacement Pipes (Milltek Catback) Audi S4 B6/B7 2003-2009 | Manual Models Only

For any questions please PM or email: Online@AutoTalent.com Milltek Catalyst Delete Replacement Pipes (Milltek Catback) Audi S4 B6/B7 2003-2009 | Manual Models Only This component functions as a bypass for the catalytic converter, essentially creating a "Decat" system. Removing the converter improves exhaust flow and overall performance. The denser catalyst restricts exhaust gasses, and eliminating it translates to a noticeable horsepower gain for your vehicle. However, this product is strictly for motorsport applications and requires a Stage 2 ECU remap for proper operation. Notes: For Track Use Only! Manual Models Only Must be fitted with the Milltek Sport cat-back system Requires a Stage 2 ECU remap Features: SKU SSXAU289 Milltek Product type Downpipes, Sport Cats & Manifolds Resonated Not Applicable Tip Finish Not Applicable Tip Shape Not Applicable Pipe Diameter 63.5mm (2.5") EC Approved No Motorsport Use Only Yes Fitment Chart: For Audi S4 4.2 V8 quattro B6 Saloon/Sedan, Avant, & Cabriolet 2003-2005 For Audi S4 4.2 V8 quattro B7 Saloon/Sedan, Avant, & Cabriolet 2004-2009 Make Model Year Audi S4 B6 2003-2005 Audi S4 B7  2004-2009