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The first-series S5 Coupé B8, built from 2007 to 2012, is the only S5 with the naturally aspirated 4.2 FSI V8, an engine that loves to rev and has a voice enthusiasts recognise instantly. Quattro drive, a manual or automatic gearbox and the lines of the newly launched A5 complete the picture.
For the Audi S5 (B8) Coupe 4.2L V8 FSI you will find a cat-back system by Armytrix, with Valvetronic silencers with remotely controlled valves. It has four outlets of 89 mm with chrome, blue and black tips.
Armytrix builds its exhausts in Taiwan, in T304 stainless steel and titanium, and is one of the brands that made valved exhausts affordable: the valve sends the gases through the silencer or around it, and it is controlled with the supplied remote or a smartphone app through a module plugged into the OBD port.
Armytrix systems are prepared to order: contact us for delivery times or if you have any doubt about compatibility with your car. All Armytrix exhausts for Audi are on their own page.
