AWE SwitchPath Exhaust for Audi RS6 C8 & RS7 C8

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Chassis codes. This SwitchPath fitment covers the C8 generation RS6 Avant (4A5) and RS7 Sportback (4KA) only. The earlier C7 RS6/RS7 used a different chassis and exhaust architecture and requires a different system — contact us if you have a C7.

Engine and output. Both cars share the 4.0 TFSI mild-hybrid twin-turbo V8. A single SKU covers the 441kW standard and 463kW Performance variants, as the catback flow capacity suits both tunes.

Pipe and tips. Bespoke dual 3" architecture with double-walled ReflecTip™ parabolic tips, sized to the 4.0 TFSI's flow requirements rather than the smaller 2.5"/2.75" systems AWE uses on lower-displacement platforms.

Valve control. On the C8 RS the SwitchPath valves are integrated with the factory drive-mode system — closed in Comfort, Auto and Efficiency; open in Dynamic and the RS modes. There is no wired remote or additional dash switch, and factory ECU functions are retained.

Emissions hardware. Australian-delivered C8 RS6 and RS7 models are fitted with a petrol particulate filter from new. The SwitchPath is a true catback that fits behind the OPF and leaves the factory particulate filter and catalytic converters in place.

Published gains. AWE publishes +8 hp and +14 lb-ft at the wheels for this system, dyno-verified by AWE on their in-house Mustang dyno. Sound development was carried out in AWE's anechoic chamber.

The SwitchPath is a direct bolt-on to the factory mounting points behind the rear axle, with no cutting, welding or modification required. Construction is TIG-welded T304L stainless with .065" wall thickness.

Installation by a professional is recommended. A qualified Audi specialist or exhaust workshop will have the hoist, the correct tools and the ability to check clearances, tip alignment and valve operation across the drive modes once the system is fitted.

Before ordering, confirm your chassis code (4A5 RS6 Avant or 4KA RS7 Sportback), model year and that the vehicle retains its factory OPF and rear exhaust mounts. Check all fasteners and hangers after the first few heat cycles.

Does the AWE SwitchPath fit both the RS6 and the RS7?
Yes. A single fitment covers the C8 RS6 Avant (4A5) and C8 RS7 Sportback (4KA), including both the 441kW and 463kW Performance variants.

Is the system OPF-compatible?
Yes. It is a true catback that fits behind the petrol particulate filter and retains the factory OPF and catalytic converters.

How are the valves controlled?
Through the car's factory drive modes. Valves stay closed in Comfort, Auto and Efficiency and open in Dynamic and the RS modes, with no remote or extra dash switch.

Will it drone on the highway?
AWE's patented 180 Technology® midpipe is designed to cancel drone at the source, and it remains active with the valves both closed and open.