DPF removal downpipe for M57N2 engine mounted on: BMW E90 325D BMW E90 330D BMW E60 530D Downpipe diameter: 3 "(76 mm) Inlet diameter (internal): 72 mm Outlet diameter: 2.5" (63 mm) Mounting flange: V- BANDDownpipe by TurboWorks, 100% stainless steel Downpipe dedicated to M57N2 engine mounted in: BMW E90 325D BMW E90 330D BMW E60 530D Downpipe diameter: 3 "(76mm) Outlet diameter: 2,5" (63mm) Flange: V-BANDBy mounting this downpipe you can throw out DPF.TurboWorks downpipe, made 100% of stainless steel.Downpipe removing DPF for M57N2 engine installed in: BMW E90 325D BMW E90 330D BMW E60 530D Downpipe diameter: 3 "(76mm) Outlet diameter : 2.5 "(63mm). Mounting flange: TurboWorks V-BANDDownpipe, is made of 100% stainless steel.