MBRP Armor Lite 4" Aluminized Exhaust Down Pipe 03-04 Dodge 5.9L Cummins BD-1715518 This was not good enough

This was not good enough for Carli

hoses and premium stainless steel T-bolt clamps used to securely mount the tube

A Banks Techni-Cooler System will give you an additional boost as well as deliver more air density which is the key to unlocking the power in your fuel

and country dirt roads all while keeping a smooth highway feel

MBRP Armor Lite 4" Aluminized Exhaust Down Pipe 03-04 Dodge 5.9L Cummins BD-1715518 This was not good enoughDid you know that the down pipe on the 2003 through early 2004 Cummins is actually only 3. 5" in diameter. They didn't upgrade to a 4" down pipe from the factory until the release of the 2004. 5 models. Gain exhaust flow for improved power and lower EGT's with this 4" downpipe from MBRP.