Skip to content
Milltek Resonated Cat-Back Exhaust - Audi S4 V8 quattro B6 - Cerakote Black Jet-100 Tips - SSXAU874, photo 1 of 1
MilltekSKU: SSXAU874

Milltek Resonated Cat-Back Exhaust - Audi S4 V8 quattro B6 - Cerakote Black Jet-100 Tips - SSXAU874

$1,813.65 Available

Ships free in the US

1
  • Shop tested in Dallas
  • Free pickup in Dallas
  • Installs at our shop
Questions about fitment?Call or text 945-954-1142. We respond same day.

Milltek Resonated Cat-Back Exhaust System for Audi B6 A4 3.0L V6 and S4 4.2L V8 Quattro (2003-2005). Direct factory fitment cat-back system using OEM hangers, no modification required. T304L stainless steel construction with mandrel-bent piping and hand-finished Jet-100 Cerakote Black tips.

The resonated design eliminates drone at cruise while maintaining a sportier, more pronounced exhaust note at full throttle. 2.25" (57.15mm) bore mandrel-bent tubing optimizes scavenging for dyno-proven gains in mid-range torque. Engineered sound character tuned to the B6 V6 and V8 powerplants. Constructed from T304Lstainless steel with full TUV testing and EC approval for street use.

Fitment

  • Audi A4 3.0L V6 B6 Quattro Saloon, Avant, Cabriolet (2003-2005)
  • Audi S4 4.2L V8 B6 Quattro Saloon, Avant, Cabriolet (2003-2005)

Every system is hand-finished and dyno-tested before dispatch.

Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.

Specifications

  • Pipe diameter: 57.15mm (2.25")
  • Fitting time: 2 to 3 hours, including removing the factory system

Fitment

  • Audi > S4 > 4.2 V8 quattro B6 Saloon/Sedan, Avant, & Cabriolet > 2003 to 2005