Milltek Resonated Cat-Back Exhaust | Audi B7 S4 - Polished Tips

Description

The Milltek Resonated Cat-Back Exhaust System is engineered specifically for the Audi B7 S4, delivering OEM+ fitment with a hand-finished T304L stainless steel construction. Direct factory fitment using OEM hangers-no modification required. Constructed from premium T304L stainless steel with mandrel-bent piping and a 2.25" (57.15mm) diameter, this resonated system is tuned to eliminate drone while preserving the engine's full-throttle character. The resonance point is engineered to enhance the naturally aggressive B7 S4 soundtrack without compromising comfort on closed-throttle driving. System Specifications • Pipe diameter: 2.25" (57.15mm) mandrel-bent construction • Material: T304L hand-finished stainless steel • Design: Resonated cat-back (factory muffler delete, secondary resonator tuned for tone control) • Fitment: Direct OEM+ replacement for B7 S4 Sedan and Cabriolet • Tip options: Polished or gloss black stainless finishes • Installation: Uses factory hangers and mounting points-no cutting, welding, or fabrication required Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.

Fits 6 vehicles including:

• 2004 Audi S4— 4.2 V8 quattro B7 Saloon/Sedan, Avant, & Cabriolet > 2004 to 2009
• 2005 Audi S4— 4.2 V8 quattro B7 Saloon/Sedan, Avant, & Cabriolet > 2004 to 2009
• 2006 Audi S4— 4.2 V8 quattro B7 Saloon/Sedan, Avant, & Cabriolet > 2004 to 2009
• 2007 Audi S4— 4.2 V8 quattro B7 Saloon/Sedan, Avant, & Cabriolet > 2004 to 2009
• 2008 Audi S4— 4.2 V8 quattro B7 Saloon/Sedan, Avant, & Cabriolet > 2004 to 2009
• 2009 Audi S4— 4.2 V8 quattro B7 Saloon/Sedan, Avant, & Cabriolet > 2004 to 2009