Audi RS6 C7 Avant 4.0T V8 valve-controlled sports catback - stainless, EEC road legal, no PPF or OPF

Turn your C7 RS6 Avant into the sound and performance icon it should be. This free-flow, non-res catback with switchable exhaust valves unleashes a deep, motorsport tone under load while keeping things civil at cruise using the car’s factory flap control. It is the go-to upgrade for owners who want more character, sharper response and premium build quality without compromising day-to-day usability.

What you get

• Valve-controlled sports system that hooks up to the OEM actuators for Comfort to Dynamic sound on demand
• Non-resonated layout for a louder, richer V8 soundtrack and reduced backpressure
• Stainless steel construction with a shot blasted finish for durability in UK conditions
• EEC homologated for road use and handmade in Austria for outstanding craftsmanship
• Lightweight design and precise fitment to factory mounting points on the C7 RS6 Avant

Why owners love it

• Real dual-personality exhaust - refined with valves shut, aggressive with valves open
• Sharper throttle response thanks to a freer flowing rear section
• Premium materials and finish that look as good as they sound
• Direct-fit upgrade that integrates seamlessly with the car’s electronics

Fitment and compatibility

• Vehicle: Audi RS6 C7 Avant - 4.0 twin-turbo V8
• Chassis: A6 C7 platform - RS6 estate
• Connection: Fits to the original downpipes and uses OEM valve control
• Particulate filter: Not suitable for cars equipped with GPF, PPF or OPF

Technical details

• Configuration: Non-res catback with integrated vacuum-electric valves
• Material: Stainless steel with shot blasted surface
• Approval: EEC homologation for road legality
• Manufacture: Handmade in Austria

Proven by us

We have installed this system on customer RS6 builds and the feedback is consistently positive - excellent fit, a proper V8 note when open, and a comfortable cabin when cruising with the valves shut. It transforms the car without the compromises you get from lesser systems.

Installation and support

Professional fitting recommended. MJ Modifications in Warwickshire can supply and install - request a quote at info@mjmodifications.co.uk.

Common search terms

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