2019+ Cummins 4" SS Flexpipe Back Exhaust System - w/ Muffler (DDC-4D19M)

Note: Fits Leaf and Coil Spring trucks only; will NOT fit air-ride models. Regular Cab models require modification. This competition-use part is not for street use, cannot ship to the USA, and may violate emissions laws if used on-road. Air-ride owners should use our Cat & DPF race pipes available with a muffler or as a straight pipe.

Upgrade your 2019+ Ram Diesel with this brand new 4" Flexpipe Back Exhaust System, designed to replace restrictive OE components with high-flow performance. This complete kit includes all clamps, pre-welded, contour-bent hangers, and reinforced flanges for easy, hassle-free installation. Enjoy improved exhaust flow, reduced EGTs, and a deeper, aggressive tone that boosts both 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-4D19M