{"product_id":"akrapovic-2025-audi-rsq8-evolution-race-line-exhaust-system-titanium-link-pipe-co-au-t-5-required","title":"Akrapovic 2025 Audi RSQ8 Evolution Race Line Exhaust System Titanium (link pipe CO-AU\/T\/5 required)","description":"\u003ch4\u003eCat-Back Evolution Exhaust for the 2025 Audi RS Q8 4.0-Liter Twin-Turbo V8\u003c\/h4\u003e\n\u003cp\u003eThe Akrapovic S-AU\/T\/3H Evolution Race Line is a full cat-back titanium exhaust system engineered for the 2025 Audi RS Q8 (4M Facelift) with the 4.0-liter twin-turbo V8 and OPF particulate filter. Requiring the companion CO-AU\/T\/5 titanium link pipe set sold separately, the S-AU\/T\/3H delivers verified gains of +5.7 kW and +10.7 Nm over the factory RS Sport exhaust, sheds 12.2 kg of total system weight including the link pipe, and adds electronically controlled cast titanium exhaust valves that sync with the RS Q8 drive modes to provide a refined V8 rumble in Comfort and a full-bore racing bellow in Dynamic. The system is ECE type-approved for road use on OPF-equipped 2025 RS Q8 models.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Titanium Construction\u003c\/strong\u003e — Every component of the S-AU\/T\/3H, including the central muffler, valve housings, connecting pipes and tail pipes, is built from high-grade titanium for corrosion resistance, superior heat dissipation and minimum system weight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectronic Cast Titanium Exhaust Valves\u003c\/strong\u003e — Akrapovic's in-house cast titanium valve housings integrate directly with the RS Q8 drive mode selector, delivering calibrated sound and backpressure adjustment across Comfort, Auto, Dynamic and RS-specific modes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e+5.7 kW and +10.7 Nm Verified Gains\u003c\/strong\u003e — Akrapovic dynamometer testing against the factory RS Sport exhaust confirms +5.7 kW at 6,200 rpm and +10.7 Nm at 2,850 rpm on the stock 4.0-liter twin-turbo V8.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12.2 kg Total System Weight Reduction\u003c\/strong\u003e — Combined S-AU\/T\/3H and CO-AU\/T\/5 link pipe system saves approximately 12.2 kg at the rear of the vehicle versus the OEM exhaust assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eX-Pipe Pulse Balancing\u003c\/strong\u003e — Connecting pipe set integrates an X-shaped insert to equalize exhaust pulses between cylinder banks, minimize flow turbulence and amplify the deep V8 rumble characteristic of the RS Q8 powerplant.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCO-AU\/T\/5 Link Pipe Required\u003c\/strong\u003e — The titanium link pipe set CO-AU\/T\/5 is a mandatory companion for complete installation and optimal performance of the S-AU\/T\/3H system. It is sold separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eECE Type-Approved\u003c\/strong\u003e — Certified for road use on OPF-equipped 2025 Audi RS Q8 models. No check-engine lights or ECU modification required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" width=\"100%\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear Range\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eTrim\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2025\u003c\/td\u003e\n\u003ctd\u003eAudi\u003c\/td\u003e\n\u003ctd\u003eRS Q8\u003c\/td\u003e\n\u003ctd\u003ePerformance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" width=\"100%\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAkrapovic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMPN\u003c\/td\u003e\n\u003ctd\u003eS-AU\/T\/3H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e3831113613621\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Type\u003c\/td\u003e\n\u003ctd\u003eEvolution Race Line, Cat-Back (Titanium)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Vehicle\u003c\/td\u003e\n\u003ctd\u003e2025 Audi RS Q8 (4M Facelift) with OPF\/GPF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine\u003c\/td\u003e\n\u003ctd\u003e4.0L Twin-Turbo V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eTitanium (muffler, valves, pipes, tips)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Weight (with link pipe)\u003c\/td\u003e\n\u003ctd\u003eapprox. 25.8 kg + 4.5 kg (CO-AU\/T\/5)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Weight Savings\u003c\/td\u003e\n\u003ctd\u003eapprox. 12.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Power Gain\u003c\/td\u003e\n\u003ctd\u003e+5.7 kW at 6,200 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Torque Gain\u003c\/td\u003e\n\u003ctd\u003e+10.7 Nm at 2,850 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExhaust Valves\u003c\/td\u003e\n\u003ctd\u003eElectronic cast titanium, drive mode integrated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTip Style\u003c\/td\u003e\n\u003ctd\u003eDual carbon fiber and titanium outlets per side (quad exit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Box Dimensions\u003c\/td\u003e\n\u003ctd\u003e140 cm x 50 cm x 40 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLink Pipe Required\u003c\/td\u003e\n\u003ctd\u003eCO-AU\/T\/5 (sold separately)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHomologation\u003c\/td\u003e\n\u003ctd\u003eECE type-approved (OPF models)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eSlovenia\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e24 months\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Akrapovic S-AU\/T\/3H titanium central muffler\u003c\/li\u003e\n\u003cli\u003e2x Akrapovic cast titanium valve housings with electronic actuators (one per side)\u003c\/li\u003e\n\u003cli\u003eTitanium connecting pipe set with integrated X-shaped pulse balancer\u003c\/li\u003e\n\u003cli\u003e2x Dual carbon fiber and titanium exhaust tips (quad exit)\u003c\/li\u003e\n\u003cli\u003eAll stainless steel clamps, brackets and gaskets\u003c\/li\u003e\n\u003cli\u003eAkrapovic installation manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cstrong\u003eIs the CO-AU\/T\/5 link pipe included with the S-AU\/T\/3H?\u003c\/strong\u003e\n\u003cp\u003eNo. The CO-AU\/T\/5 titanium link pipe set is required for complete installation but is sold separately. The S-AU\/T\/3H cannot be installed as a complete system without it.\u003c\/p\u003e\n\n\u003cstrong\u003eDoes the S-AU\/T\/3H require an ECU tune?\u003c\/strong\u003e\n\u003cp\u003eNo ECU reprogramming is required. The S-AU\/T\/3H is designed for direct bolt-on installation on the 2025 Audi RS Q8 with OPF filter. No check-engine lights or error codes result from proper installation.\u003c\/p\u003e\n\n\u003cstrong\u003eDoes the S-AU\/T\/3H work with the RS Q8 drive mode system?\u003c\/strong\u003e\n\u003cp\u003eYes. The electronic cast titanium exhaust valve actuators integrate with the RS Q8's standard drive modes, modulating exhaust sound and flow characteristics across Comfort, Auto, Dynamic and RS-specific settings.\u003c\/p\u003e\n\n\u003cstrong\u003eWhat are the verified power gains of the S-AU\/T\/3H on the Audi RS Q8?\u003c\/strong\u003e\n\u003cp\u003eAkrapovic dyno testing against the factory RS Sport exhaust confirms +5.7 kW at 6,200 rpm and +10.7 Nm at 2,850 rpm on the 4.0-liter twin-turbo V8 of the 2025 Audi RS Q8.\u003c\/p\u003e\n\n\u003cstrong\u003eHow much weight does the S-AU\/T\/3H and CO-AU\/T\/5 system save?\u003c\/strong\u003e\n\u003cp\u003eThe combined S-AU\/T\/3H and CO-AU\/T\/5 system reduces total exhaust weight by approximately 12.2 kg versus the OEM assembly, concentrated at the rear of the vehicle for improved handling balance.\u003c\/p\u003e\n\n\u003cstrong\u003eIs the S-AU\/T\/3H compatible with the non-OPF Audi RS Q8?\u003c\/strong\u003e\n\u003cp\u003eNo. The S-AU\/T\/3H is engineered and ECE-approved specifically for OPF-equipped 2025 RS Q8 models. Installation on non-OPF variants requires additional modifications not covered by this system.\u003c\/p\u003e\n\n\u003cstrong\u003eWhat do the exhaust tips look like on the S-AU\/T\/3H?\u003c\/strong\u003e\n\u003cp\u003eThe system features dual carbon fiber and titanium exhaust tips per side for a quad-exit arrangement. The tips extend aggressively from the rear bumper opening and are hand-finished for precision fitment.\u003c\/p\u003e\n\n\u003cstrong\u003eIs the S-AU\/T\/3H street legal in the United States?\u003c\/strong\u003e\n\u003cp\u003eThe S-AU\/T\/3H is ECE type-approved for road use on OPF-equipped 2025 RS Q8 models. Verify compliance with applicable US federal and state noise and emissions regulations before installation.\u003c\/p\u003e\n\n\u003ch4\u003eInstallation Instructions\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003eOrder and receive the required CO-AU\/T\/5 link pipe set before beginning installation. The S-AU\/T\/3H cannot be installed without it.\u003c\/li\u003e\n\u003cli\u003eAllow the vehicle to cool completely. Exhaust system components reach extreme temperatures during operation.\u003c\/li\u003e\n\u003cli\u003eRaise and support the vehicle securely on a lift or jack stands to access the underside.\u003c\/li\u003e\n\u003cli\u003eDisconnect the factory exhaust valve actuator wiring connectors before removing the factory exhaust assembly.\u003c\/li\u003e\n\u003cli\u003eLoosen and remove all factory exhaust clamps, flange hardware and rubber hanger mounts. Retain OEM parts.\u003c\/li\u003e\n\u003cli\u003eRemove the factory rear muffler assembly from the vehicle.\u003c\/li\u003e\n\u003cli\u003eInstall the CO-AU\/T\/5 titanium link pipe set onto the factory mid-pipe junction per the CO-AU\/T\/5 installation instructions.\u003c\/li\u003e\n\u003cli\u003eAttach the S-AU\/T\/3H titanium connecting pipe set with X-pipe insert to the CO-AU\/T\/5 output and secure with the provided Akrapovic clamps.\u003c\/li\u003e\n\u003cli\u003eMount the cast titanium valve housings and central muffler in position and hang on factory rubber mounts.\u003c\/li\u003e\n\u003cli\u003eConnect the exhaust valve actuator wiring to the OEM connectors. Verify secure engagement.\u003c\/li\u003e\n\u003cli\u003eInstall the carbon fiber and titanium tip set onto the valve housing outlets.\u003c\/li\u003e\n\u003cli\u003eStart the engine, cycle through all drive modes and inspect all connections for leaks. Retighten hardware as needed.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003e\u003cstrong\u003eWARNING:\u003c\/strong\u003e This product can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e","brand":"Akrapovic","offers":[{"title":"Default Title","offer_id":43734100541519,"sku":"AKRS-AU\/T\/3H","price":4055.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/akrapovic-2025-audi-rsq8-evolution-race-line-exhaust-system-titanium-link-pipe-co-aut5-required-akrapovic.png?v=1778251604","url":"https:\/\/www.blackopsautoworks.com\/products\/akrapovic-2025-audi-rsq8-evolution-race-line-exhaust-system-titanium-link-pipe-co-au-t-5-required","provider":"Black Ops Auto Works","version":"1.0","type":"link"}