MBRP Armor Lite 4" Aluminized Exhaust Down Pipe 03-04 Dodge 5.9L Cummins BD-1715518 A Banks Techni-Cooler System will

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

You know that 6

it will lose its memory and begin to start bleeding off prematurely

realtime measurement allows you to know when to downshift or when to take your foot out of it

MBRP Armor Lite 4" Aluminized Exhaust Down Pipe 03-04 Dodge 5.9L Cummins BD-1715518 A Banks Techni-Cooler System willDid 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.