BD Diesel Turbo Downpipe Kit - S400 4in Aluminized Full Marmon 4.2

This downpipe was originally designed as part of BD's original Compound Twin Turbo kits (Tow Twin Turbos, R700 Twin Turbos, R850 Twin Turbos). Typically used as a replacement part for the above-mentioned compound twin turbo kits but can be modified for other applications.