BMW M135i / M235i F2x and 335i / 435i F3x (before 07/2013) Armytrix Decat Downpipe

Made from high quality T304 stainless steel available without specific treatment or covered with a ceramic coating to limit thermal propagation, this Armytrix decat downpipe intended for the BMW M135i / M235i F2x and 335i / 435i F3x (before 07/2013) offers a particularly aggressive sound and a significant power gain. With a 3" / 76mm diameter, this downpipe coming with its reducer matching the OEM catback, is equipped with a cat simulator to prevent check engine light due to standard catalyst removal.