2019+ Cummins 4" SS CAT & DPF Delete Pipe - No Muffler (DDC-3D19)

Note: Fits all wheelbases and cab configurations unless otherwise noted. This is the ONLY option compatible with Factory Air Ride Suspension, though it fits all factory suspension setups. If you prefer this kit with a muffler, please click here. Images are for reference and may vary slightly from the actual product.

The DDC-3D19 4" CAT & DPF Pipe is engineered for 2019+ 6.7L Cummins with Air Assist, offering a perfect fit where most exhausts fall short. It replaces your factory CAT & DPF for clean emissions removal while maintaining a stock appearance, and includes all clamps, pre-welded, contour-bent hangers, and reinforced flanges for an easy, hassle-free install. Expect improved exhaust flow, reduced EGTs, and that signature Dirty Diesel sound that boosts performance and reliability.

Why Shop Dirty Exhausts?
When you buy from Dirty Diesel, you’re buying peace of mind. We’ve put in the work to bring you exhaust systems that meet our strict standards for durability and flow. Every kit is vetted for a precision, bolt-on fit, ensuring you get a high-performance system that sounds as good as it performs, without the headache of poor fitment or subpar materials.

Part Number: DDC-3D19