Milltek Resonated Cat-Back Exhaust | Audi B9 S5 - Cerakote Black Tips

Description

Milltek 2.50" Resonated Quad Outlet Cat-Back Exhaust System for Audi B9 S5 3.0 V6 Turbo. Direct factory fitment for Coupe and Sportback models (Sport Diff with Brace Bars, 2017+). T304L stainless steel construction with CNC-formed Cerakote Black quad trims. The resonated design eliminates drone at cruise while preserving full-throttle character. 2.50" mandrel-bent tube diameter (63.50mm) improves exhaust scavenging over OEM. Hand-finished welds and TIG construction throughout. Uses OEM hangers and suspension points-no modification required. Direct replacement for factory cat-back section; turbo and downpipe remain stock. Fitment • Audi S5 B9 3.0 V6 Turbo Coupe (Sport Diff models with Brace Bars, 2017+) • Audi S5 B9 3.0 V6 Turbo Sportback (Sport Diff models with Brace Bars, 2017+) Construction & Specifications • Material: T304L stainless steel • Pipe diameter: 2.50" (63.50mm), mandrel-bent • Resonated: Yes-engineered for OE+ tone without cruise drone • Outlet finish: Cerakote Black quad trims, hand-polished • Installation: Direct fitment, OEM hangers, no cuts or modifications This system reflects our commitment to OEM+ fitment, engineered tone character, and precision stainless fabrication-all manufactured to exacting standards. Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.

Fits 11 vehicles including:

• 2017 Audi S5— 3.0 V6 Turbo Sportback B9 (Sport Diff Models Only & WITH Brace Bars) - Left Hand Drive Cars Only > 2017 and Later / 3.0 V6 Turbo Coupe Only B9 (Sport Diff Models Only & WITH Brace Bars) - Left Hand Drive Cars Only > 2017 and Later
• 2018 Audi S5— 3.0 V6 Turbo Sportback B9 (Sport Diff Models Only & WITH Brace Bars) - Left Hand Drive Cars Only > 2017 and Later / 3.0 V6 Turbo Coupe Only B9 (Sport Diff Models Only & WITH Brace Bars) - Left Hand Drive Cars Only > 2017 and Later
• 2019 Audi S5— 3.0 V6 Turbo Sportback B9 (Sport Diff Models Only & WITH Brace Bars) - Left Hand Drive Cars Only > 2017 and Later / 3.0 V6 Turbo Coupe Only B9 (Sport Diff Models Only & WITH Brace Bars) - Left Hand Drive Cars Only > 2017 and Later
• 2020 Audi S5— 3.0 V6 Turbo Sportback B9 (Sport Diff Models Only & WITH Brace Bars) - Left Hand Drive Cars Only > 2017 and Later / 3.0 V6 Turbo Coupe Only B9 (Sport Diff Models Only & WITH Brace Bars) - Left Hand Drive Cars Only > 2017 and Later
• 2021 Audi S5— 3.0 V6 Turbo Sportback B9 (Sport Diff Models Only & WITH Brace Bars) - Left Hand Drive Cars Only > 2017 and Later / 3.0 V6 Turbo Coupe Only B9 (Sport Diff Models Only & WITH Brace Bars) - Left Hand Drive Cars Only > 2017 and Later
• 2022 Audi S5— 3.0 V6 Turbo Sportback B9 (Sport Diff Models Only & WITH Brace Bars) - Left Hand Drive Cars Only > 2017 and Later / 3.0 V6 Turbo Coupe Only B9 (Sport Diff Models Only & WITH Brace Bars) - Left Hand Drive Cars Only > 2017 and Later
• + 5 more vehicles