Overview
The Milltek Race Non-Resonated Cat-Back Exhaust System is engineered for the Audi B8 S5 3.0 TFSI Coupe and Cabriolet. This direct factory-fit system replaces the OEM exhaust with a 2.37" (60.30mm) mandrel-bent T304L stainless steel design, delivering enhanced flow, dyno-proven performance gains, and a fully open, aggressive sound character.
Hand-finished T304L stainless steel construction with quad polished outlet trims. Uses OEM hangers and mounting points-no modification required. The non-resonated design eliminates the factory resonance chamber for maximum acoustic expression at full throttle, making this the loudest cat-back option available for the B8 S5. Engineered for closed-course and track use; street legality may vary by jurisdiction.
Details
Fitment Notes
- Audi S5 B8 Coupe (3.0 TFSI, 2009-2011)
- Audi S5 B8 Cabriolet (3.0 TFSI, 2009-2011)
Technical Specifications
- Pipe Diameter: 2.37" / 60.30mm, mandrel-bent
- Material: T304L stainless steel, hand-finished
- Resonated: No (race-spec, non-resonated)
- Outlet Style: Quad polished trims
- Fitment Type: Cat-back, direct OEM replacement
Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.
Fitment
| Years | Make | Model | Engine Family | Engine | Trim |
|---|---|---|---|---|---|
| 2010-2012 | Audi | S5 | EA837 | 3.0T supercharged | All |
