
Milltek Resonated Cat-Back Exhaust - Audi S4 V8 quattro B6 - Cerakote Black Jet-100 Tips - SSXAU874
Ships free in the US
- Shop tested in Dallas
- Free pickup in Dallas
- Installs at our shop
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
- Free US shipping on orders over $250.
- Free pickup at our Dallas shop, usually ready within 24 hours.
- Unused parts can be returned within 30 days. Tunes, opened electronics, merch and installed parts are final sale.
- Want it installed? Book the install at thegbmotors.com.
Full details are on our shipping and returns page.
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