Remus Non-Resonated Cat-Back Exhaust System for Audi RS4 B9 2.9 V6 Biturbo (2017+)
Upgrade your Audi RS4 B9 Avant 2.9 V6 Biturbo with the Remus non-resonated cat-back exhaust system. This premium valved exhaust integrates with the factory vacuum-operated valve control for true OEM functionality and everyday usability. Expect an aggressive racing sound when you want it, refined tone when you need it, and a clear performance edge thanks to reduced back pressure and lightweight stainless-steel construction.
If you are searching for Audi RS4 B9 exhaust, RS4 cat back, RS4 non resonated exhaust, Audi RS4 performance exhaust, RS4 valved exhaust, Remus RS4 exhaust, Audi RS4 2.9 V6 Biturbo exhaust, RS4 B9 Avant catback, quad exit exhaust for RS4, this Remus system is the proven choice for sound, performance and quality.
Why choose this Remus cat-back for your RS4 B9
- Aggressive racing sound with OEM valve control for daily driving
- Shot-blasted, 100% stainless steel for durability and a premium finish
- Genuine performance gain from low back pressure design
- Lightweight construction to complement chassis dynamics
- Perfect fitment and precise alignment, engineered for the B9 chassis
- Handmade in Austria with EEC homologation
System details
- Configuration: Non-resonated cat-back, left/right
- Valves: Vacuum operated, controlled by the OEM system
- Outlet: Quad tailpipes, 4 x 84 mm
Compatibility
- Make: Audi
- Model: RS4 (A4 platform)
- Type: B9 Avant
- Engine: 2.9 V6 Biturbo
- Engine code: DECA
- Power: 331 kW
- Year: 2017 onwards
Tailpipe options
- 4 x 84 mm straight, carbon insert
- 4 x 84 mm angled, carbon ring
- 4 x 84 mm Black Chrome, straight, carbon insert
- 4 x 84 mm Carbon, angled, Titanium internals
- 4 x 84 mm angled, rolled edge, chromed
Real-world results with Nforcd
We have fitted and run this Remus RS4 B9 cat-back on customer cars and the feedback has been outstanding. Clients love the deep, purposeful tone, the OEM valve integration, and the exceptional build quality. Fitment is spot-on and the transformation in character is immediate.
Fitting and support
Professional installation available at Nforcd in Warwickshire. Request a fitting quote: Sales@nforcd.com.
Important note
Only for vehicles without GPF.
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