MBRP Armor Lite 5" Cat Back Aluminized Exhaust System 04.5-07 Dodge 5.9L Cummins BAJA-523003DC and ATS makes one of

and ATS makes one of the best

350 Marine knockoffs on the market

Another major concern is port wall thickness

and external connector o-ring (complete kit)

MBRP Armor Lite 5" Cat Back Aluminized Exhaust System 04.5-07 Dodge 5.9L Cummins BAJA-523003DC and ATS makes one ofThis easy to install Cat Back system from MBRP replaces your exhaust flow restrictive stock pipes with huge 5" constant diameter bend MBRP pipes. The increased diameter means a big drop in EGTs as well as virtually no backpressure. Once installed you'll notice gains in both horsepower and torque as well as a bump in MPGs. Unleash your Cummins with this awesome system! Armor Lite Series Built from heavy duty aluminized steel our Armor Lite Series