Audi C8 RS 6 Quattro 4.0T
Increase HP/TQ and activate a full race exhaust with the flip of a switch, with our ECS Vacuum-Actuated Exhaust Cutout
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Unleash a throaty growl under hard acceleration!
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This product was last offered at the strikethrough price on
08-17-2026
Lifetime Replacement
Pure sound, unrestricted flow, and maximum performance! The ULTIMATE exhaust upgrade for your 4.0T!
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This product was last offered at the strikethrough price on
06-13-2026
Lifetime Replacement
Control your exhaust valves with the click of a button! Includes a standalone vacuum pump, wiring, vacuum hose, and controllers.
10X Entries Into Our F80 M3 Sweepstakes
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This product was last offered at the strikethrough price on
06-13-2026
Lifetime Replacement
Increase HP/TQ and activate a full race exhaust with the flip of a switch, with our ECS Vacuum-Actuated Exhaust Cutouts
10X Entries Into Our F80 M3 Sweepstakes
Choose between a 2.5" or 3.0" valved mufflers to complete your custom exhaust.
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Deepen the exhaust note without replacing the entire exhaust system
This product was last offered at the strikethrough price on
08-26-2026
Lifetime Replacement
Stainless Steel exhaust tips featuring swivel attachments for maximum adjustability. 2.5" Swivel Inlet / 4.0" Double Wall, Slant Cut Outlet
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Not vehicle specific. You MUST measure prior to purchasing!
This product was last offered at the strikethrough price on
06-13-2026
Lifetime Replacement
Featuring Milltek Sport Hi-Flow sports cat, fits to Milltek Sport Cat Back systems.
Requires stage 2 software
This product was last offered at the strikethrough price on
08-17-2026
Lifetime Replacement
Featuring Milltek Sport Hi-Flow sports cat, fits with OE cat-back system.
Requires stage 2 software
This product was last offered at the strikethrough price on
08-29-2026
Lifetime Replacement
Unleash your C8 RS6/RS7’s full potential with APR’s premium catback exhaust—more power, an aggressive RS growl on demand, zero drone, and stunning diamond black tips in one uncompromising system.
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MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
08-29-2026
For anyone looking to improve their sound and aesthetics
This product was last offered at the strikethrough price on
08-29-2026
Of course, a loud V8 sounds great, but what's the point if you have to endure a headache-inducing drone? Integrated's own DroneTrap technology selectively delivers the exhaust notes you want.
Comprised of 3-inch U.S.-sourced T304L stainless steel featuring a bespoke, straight-through center resonator featuring AWE’s proprietary drone-canceling 180 Technology®, tuned specifically for the 4.0TT.
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Paired with Unitronic Stage 2 Performance Software and other supporting bolt-ons, these Performance Downpipes help yield up to 819HP / 760LB-FT.
Lifetime Replacement
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
This product was last offered at the strikethrough price on
08-25-2026
