Downpipe Kit - S400 4in Aluminized Full Marmon 4.2

Downpipe Kit - S400 4in Aluminized Full Marmon 4.2This 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.

Might there be a chance that the extended hot cranking you've been experiencing is due to leakage at the feed tube/injector interface

Note: Installation of this kit on a cab and chassis may require modifications

This is a fuel pump only and must be used with your factory fuel filter

you'll catch all the eyes on the road—just pop it right on and drive in style

Our powerful formula maintains a healthy fuel system

Rated at 240 gallons per hour and proudly manufactured in the U

BD's Iron Horn turbocharger kits are engineered to give optimal performance while reducing EGT's and high drive pressures

It is suggested that all pumps be adjusted only if you have installed a fuel pressure gauge

and line honed as needed

Brand new and VSR high speed balanced for long term reliability

oversized seats

Please note that a valve cannot be returned after it has been installed