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With the B8, the S4 dropped the naturally aspirated V8 for a supercharged 3.0 TFSI V6, lighter over the front axle and responsive from low revs. As saloon or Avant, always with quattro drive, it is the understated sports model of the A4 range built from 2008 to 2015.
For the Audi S4 (B8) 3.0 TFSI Sedan/Avant (2008-2015), Armytrix offers the cat-back system with Valvetronic silencers. Tips are available in chrome silver, blue coated, matte black, carbon and gold.
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 exhausts are not road approved in the European Union or Switzerland: they are intended for track use.
Armytrix systems are prepared to order and the price is on request: contact us for a quote, for delivery times or if you have any doubt about compatibility with your car. All Armytrix exhausts for Audi are on their own page.
