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Audi Showcases Lightweight Construction in High-Performance R8 GT

Green Car Congress

seconds and reaches a top speed of 320 km/h (199 mph). Numerous additional detailed measures targeted the interior, the exterior and the technology, such as higher-grade, lighter steel for the exhaust system’s tailpipes. Two flaps in the exhaust system modulate its volume and tone as a function of load and engine speed.

Audi 218
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Downsized 4.0 TFSI for Audi S8 cuts fuel consumption 23% compared to predecessor; cylinder deactivation and start-stop

Green Car Congress

From each pair of cylinders, the exhaust ports lead separately to a manifold and the turbocharger housing; they are not combined until immediately ahead of the turbine. The twin-scroll technology prevents the exhaust gas flows from influencing each other. The demand-controlled oil pump varies oil pressure in two stages.

Audi 199