Application: BMW E82, E88, E90, E91, E92, E93, M54, 135i, 335i, 335ix, 2005-2010, 299, 306 km Tube diameter -3 "(76mm) Downpipe diameter at the point of connection with the central pipe - 63 mm Flange thickness – 10mm The downpipe has the following connections: - two lambda probe sockets for each pipe It is used to replace the factory DPF and after its installation, the exhaust system is uncoupled, thanks to which the "bottom" of the engine noticeably improves, i.e. the so-called effect disappears. turbo holes, and power and torque are increased. Unlike similar products, our Downpips are made of SS304 stainless steel with a 1.5mm thicker wall (competing products have a 1.2mm wall, which may cause them to crack or warp).