MBRP 4" Cat Back, Single Side Exit, AL 04.5-07 Cummins

KEY FEATURES:* Mirror polished T304 stainless steel tip* 3 Year Warranty* Rich, mellow exhaust note* Installs with common hand tools* Can improve fuel economy by 1-2 mpg* Boosts torque and horsepowerThe Best Systems Start with the Best MaterialsBuilt from heavy duty aluminized steel our Installer Series 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 Pro Series we back this line with an industry leading 3 Year Warranty.Built to PerformYou count on your truck to tow all of your gear to where you want it. With your MBRP performance exhaust you can make that happen with up to 18 HP more horsepower and 28 ft/lb more torque. Give your truck more pulling power and much improved throttle response with an MBRP diesel exhaust system. Our systems