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

SKU: SSXAU048

$1577.18 $1577.18 $1419.46 $1419.46
Milltek Non-Resonated Cat-Back Exhaust for Audi B7 S4 4.2 V8. T304L stainless, hand-finished, direct OEM+ fitment. Engineered tone, dyno-tested, Alcoa Tennessee manufacturing.

Description

Milltek Non-Resonated Cat-Back Exhaust System for Audi B7 S4 4.2 V8 Quattro. Direct factory fitment cat-back system, 2.25" mandrel-bent T304L stainless steel construction with polished tips. Uses OEM hangers and brackets-no modification required.

Hand-finished T304L stainless steel pipe with engineered tone tuning. Non-resonated design eliminates OE silencing chambers for full-throttle sound character. Decibel-tested for aggressive exhaust note while maintaining street-legal operation. Direct replacement for factory system.

Fitment

  • Audi S4 B7 (2005-2008) with 4.2 V8 Quattro engine
  • Cat-back only-retains factory downpipe and catalytic converter
  • Direct OEM+ fitment using factory attachment points

Construction

2.25" (57.15mm) mandrel-bent T304L stainless steel. Hand-finished welding and polished trim rings.

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