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

SKU: SSXAU046

$1776.20 $1776.20 $1438.72 $1438.72
Milltek Resonated Cat-Back Exhaust for Audi B7 S4. T304L stainless, mandrel-bent, OEM+ fitment. Hand-finished in the USA. No modification required.

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.

Key Facts

Pipe Diameter 57.15
  1.5 to 2 hours to fit (including removing OE system)
Race Product No
EMarked No

System Fitment List

    • Audi > S4 > 4.2 V8 quattro B7 Saloon/Sedan, Avant, & Cabriolet > 2004 to 2009

Shipping Information

This system ships in 1 box.

Box 1: 60 x 18 x 15 at 61.74lbs