Description

Upgrade your 2013–2019 Dodge Ram Cummins 6.7L Cab & Chassis (3500/4500/5500) with this 4-inch DPF & CAT Delete Exhaust System , built from heavy-duty T409 stainless steel for long-lasting strength and reliability. This system eliminates the restrictive Diesel Particulate Filter (DPF) and Catalytic Converter (CAT) , reducing backpressure and dramatically improving exhaust flow. The result is increased horsepower, torque, throttle response, and fuel mileage —all while giving your truck a deep, aggressive exhaust note. By removing the DPF, you also eliminate costly maintenance and failure risks , avoiding expensive diesel engine repairs. Drivers often see fuel mileage rise from 13–14 mpg with a clogged DPF to 18–19 mpg after installation, depending on load and driving conditions. When paired with an ECU remap, this DPF delete system ensures maximum performance gains across towing, hauling, or heavy commercial use. ✅ Fitment: 2013–2019 Dodge Ram Cummins 3500/4500/5500 Cab & Chassis Diesel Trucks This exhaust upgrade delivers dependable performance, stronger pulling power, and improved fuel efficiency —making it the ultimate solution for heavy-duty Cummins Cab & Chassis applications.