Milltek Resonated Cat-Back Exhaust - Audi B9 S4 S5 - Polished Tips - SSXAU698

Milltek Resonated Cat-Back Exhaust System for Audi B9 S4 and S5 (3.0 V6 Turbo). Direct factory fitment for Sport Differential models without brace bars, 2016+ S4 Sedan/Avant and 2017+ S5 Sportback. 2.50" mandrel-bent T304L stainless steel with quad polished oval trims and resonated chamber for OE+ tone character.

Hand-finished T304L stainless construction with CNC-formed resonator optimizes exhaust scavenging while maintaining a composed, engineered note. Uses OEM hangers and mounting points - no modification required. Direct replacement for factory cat-back system.

Fitment

• Audi B9 S4 Sedan/Avant (Sport Differential only, without brace bars) - 2016 and later
• Audi B9 S5 Sportback (Sport Differential only, without brace bars) - 2017 and later
• Engine: 3.0L Twin-Turbo V6 (EA839)

Engineered to Exhilarate.

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

Specifications

• Pipe diameter: 63.5mm (2.50")
• Fitting time: 1 to 1.5 hours, including removing the factory system
• E-marked for road use

Fitment

• Audi > S4 > 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (ONLY - Sport Diff Models Only & Without Brace Bars) - Left Hand Drive Cars Only > 2016 and Later
• Audi > S5 > 3.0 V6 Turbo Sportback B9 (ONLY - Sport Diff Models Only & without Brace Bars) - Left Hand Drive Cars Only > 2017 and Later

• 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.