Milltek Resonated Cat-Back Exhaust - Audi B5 S4 & RS4 Avant - SSXAU002

Milltek Resonated Cat-Back Exhaust System for Audi B5 RS4 Avant (2000-2002). Direct factory fitment replacement using OEM hangers, no modification required. Engineered to deliver enhanced exhaust flow, dyno-proven performance gains, and a refined OE+ sound character through precision resonance tuning.

Hand-finished T304L stainless steel construction with mandrel-bent 2.5" (63.50mm) diameter piping. The resonated design eliminates drone at cruise while preserving full-throttle tone definition. CNC-formed mounting brackets ensure perfect alignment with factory attachment points. Available in polished or satin finish.

Fitment

• Audi RS4 B5 Avant V6 (2000-2002)
• Audi S4 B5 Quattro (compatible with equivalent exhaust packaging)

Specifications

• Material: T304L stainless steel, hand-finished
• Pipe Diameter: 2.5" (63.50mm), mandrel-bent
• Design: Resonated cat-back system
• Installation: Direct OEM+ fitment, uses factory hangers

This system represents the gold standard for B5 RS4 exhaust upgrades-precision engineering combined with real dyno gains and engineered tone character.

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

Specifications

• Pipe diameter: 63.5mm (2.50")
• E-marked for road use

Fitment

• Audi > RS4 > B5 V6 Bi-Turbo Avant > 2000 to 2002
• Audi > S4 > 2.7T quattro B5 > 1997 to 2001

• 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.