This beautifully formed exhaust has sound and performance running right through it. Constructed entirely from low-weight, high-grade titanium, it features a central muffler flanked by two valves (the housings of both valves are cast at the in-house Akrapovic foundry) and a link pipe set with an X-connection element. With unique sound patterns designed to offer maximum enjoyment, the X-connection in the link pipe section gives the exhaust system a characteristic Akrapovic high-frequency racing tone in the upper rev range, which is complemented by the deep and iconic Akrapovic rumble from low down in the rev range, providing a distinctive V8 growl. There also is a comfort mode, with no unwanted noise or drone in the cabin. Finished with eye-catching carbon-fibre / titanium tailpipes exiting on either side of the rear of the car, the exhaust also increases power by 4.6 kW at 6,200 rpm and adds 5.9 Nm of torque at 3,500 rpm when tested on Akrapovic's in-house dyno in back-to-back runs with RS Q8 against the stock RS Sport exhaust system. It is a plug-and-play product, and due to its ECE type approval there is no need to tune the ECU. An optional Akrapovic Sound Kit and Downpipe / Link pipe set (SS) is available to upgrade the Evolution Line (Titanium) exhaust.With the installation of the Downpipe / Link pipe set (SS), ECE type approval for the Evolution Line (Titanium) exhaust system is not valid, and remapping the ECU is mandatory when it is fitted.With the installation of Akrapovic Sound Kit, ECE type approval for the Evolution Line (Titanium) exhaust system is not valid.ECE type approval is only valid for cars equipped with gasoline particulate filter.. Akrapovic 2020+ Audi RS Q8 (M4) Evolution Line Cat Back (Titanium) w/Carbon Fiber/Titanium Tips. Akrapovic Evolution Line Titanium Exhaust System - (w/ CF & Titanium Tips). Exhaust System Kit. Evolution Line

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