Description

Upgrade your 2013–2018 Dodge Ram 2500/3500 6.7L Cummins Diesel with this 4″ Downpipe-Back DPF & CAT Delete Exhaust System (with muffler) , designed for maximum performance and competition use. Built from durable T-409 stainless steel , this exhaust delivers smoother flow by eliminating the restrictive DPF, CAT, SCR, and DOC , giving your Cummins the breathing room it needs. With the included muffler , you’ll enjoy a deep, refined exhaust tone without the excessive noise of a straight pipe setup. Expect major improvements in horsepower, torque, throttle response, and fuel efficiency while lowering EGTs for a cooler-running engine. Installation is straightforward with OE-style hangers, clamps, and hardware. Paired with a proper ECU remap, this system unlocks the full potential of your Cummins for off-road and competition use . ✅ Fitment: 2013–2018 Dodge Ram 2500 6.7L Cummins Diesel 2013–2018 Dodge Ram 3500 6.7L Cummins Diesel ❌ Not compatible with Cab & Chassis trucks or air-ride suspension models 📦 Package Includes: 4″ Downpipe-Back Exhaust with Muffler Clamps, hangers, and fasteners (some OEM hardware may need to be reused) ⚡ Key Benefits: Removes DPF, CAT, SCR & DOC restrictions Includes muffler for a deep, controlled exhaust sound Boosts horsepower, torque & throttle response Improves fuel mileage — up to 18–19 MPG combined (vs. 13–14 MPG with clogged DPF) Lowers EGTs for improved engine efficiency Heavy-duty T-409 stainless steel construction Straightforward 1-hour installation with basic tools