MBRP 2015 Ford 6.7L Powerstroke (Cab & Chassis Only) 4in Turbo Down-Pipe T409 AluminizedBuilt from heavy duty aluminized steel our Armor Lite performance exhaust systems offer a value price without compromising on the quality built into every component. While the seams are a major point of rust through with some budget systems our fully sealed tubing adds years to your system. Constructed to the same specifications as our top of the line Armor Pro we back this line with an industry leading 3 Year Warranty.