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From 2019 the B9 RS4 Avant uses a petrol particulate filter, required by new emissions rules, and the facelift arrived at the end of 2019 with a wider front end and the new MMI touch system. The 450 PS 2.9 TFSI twin-turbo V6, developed together with Porsche, is still paired with the eight-speed tiptronic and quattro drive.
For the Audi RS4 (B9) 2.9 TFSI V6 Avant OPF (2019-), Armytrix offers the cat-back system with Valvetronic silencers and downpipes. Tips are available in chrome silver, blue coated and matte black. Versions without a catalyst are for track use only.
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.
