Milltek Non-Resonated Cat-Back Exhaust - Audi B8.5 S5 - Cerakote Black Tips - SSXAU411

Milltek Non-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 quad black velvet outlet trims.

Non-resonated design engineered for full-throttle sound character and optimized exhaust flow. Uses factory mounting points and valve-compatible integration. Hand-finished T304L construction ensures corrosion resistance and longevity. Decibel-tested for consistent acoustic performance across throttle range.

Fitment

• Audi S5 B8.5 Coupe (2013-2017, 3.0 TFSI)
• Audi S5 B8.5 Cabriolet (2013-2017, 3.0 TFSI)
• Cat-back system; retains factory downpipe and secondary catalytic converters
• OEM+ fitment; uses factory resonance tuning reference points

EC Approved where applicable, manufactured to precision standards in-house.

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

Specifications

• Pipe diameter: 60.3mm (2.37")

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.