Milltek Resonated Cat-Back Exhaust - Audi B8.5 S5 - Polished Tips - SSXAU410

Milltek Resonated Cat-Back Exhaust System for Audi B8.5 S5 3.0 TFSI Coupe and Cabriolet. Direct factory fitment replacement using OEM hangers, no modification required. 2.37" (60.30mm) mandrel-bent T304L stainless steel construction with hand-finished polished quad outlet trims.

Engineered tone balances performance character with everyday civility-resonated design eliminates drone while preserving full-throttle soundtrack. Dyno-proven flow gains over OE system. T304L stainless resists salt corrosion; CNC-formed collectors and TIG-welded throughout. Uses factory mounting points and valve compatibility with OEM exhaust systems.

• Fits: Audi S5 B8.5 Coupe and Cabriolet (2013-2017)
• Engine: 3.0 TFSI (CAEA/CAKD)
• Pipe Diameter: 2.37" (60.30mm)
• Material: T304L stainless steel
• Resonance Type: Resonated (OE+ character, reduced drone)
• Outlet Style: Polished quad trims
• Fitment: Cat-back (factory manifold to rear bumper)

Engineered to deliver measurable horsepower and torque gains without sacrificing daily-drive refinement.

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

Specifications

• Pipe diameter: 60.3mm (2.37")
• E-marked for road use

Fitment

• Audi > S5 > 3.0 TFSI B8.5 Coupe & Cabriolet > 2011 to 2016

• 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.