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 140i / 240i F2x and 340i / 440i F3x offers a particularly aggressive sound and a significant power gain. With a 3.15" / 80mm 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.

- Select the standard or ceramic coated version -

Direct mounting

Diameter: 3.15" / 80mm

High quality T304 stainless steel

Optional ceramic coating

Integrated cat simulator

Aggressive sound