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The 4 Series derives from the F30 3 Series with a sportier approach: the F32 is the coupé, the F33 the convertible with a folding hard top. The 420i and 430i use a 2.0 turbo four-cylinder, paired with BMW's typical rear-wheel drive.
For the BMW 420i/430i (F32/F33) B48 Coupé/Cabriolet (2016-2019), Armytrix offers the cat-back system with Valvetronic silencers and downpipes. Tips are available in chrome silver, blue coated, matte black, carbon and gold. 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 BMW are on their own page.
