2013-2018 Cummins 6.7L Dirty 4" Cat & DPF Delete Pipe No Muffler (DDC-3D13)2013 2018 Cummins 6. 7L Dirty 4" Cat & DPF Delete Pipe No Muffler (DDC 3D13) The DDC 3D13 4" DPF & CAT Delete Kit by Dirty Diesel Customs is designed for 2013 2018 6. 7L Cummins trucks, delivering high performance, high flow exhaust upgrades. This bolt on kit boosts torque, improves fuel mileage, reduces EGTs, and enhances your trucks exhaust sound. Upgrade your stock components for maximum diesel performance, reliability, and flow. Why Shop Dirty

protecting your engine from potential overheating

Our BD upgraded manifolds address common exhaust manifold bolt failures by incorporating extended fasteners and spacers that effectively withstand thermal expansion

7L Mel's EGR & Cooler Delete Kit w/ Coolant Re-Route Hose for Factory Pyro & Pass Through Plate (700009-P)

It can withstand pressures of up to 225 PSI (with proper trans tuning) and comes with detailed instructions to aid installation

This kit can be installed in 2001 to 2005 vehicles with the Allison five-speed transmission

KC turbos also increased the shaft thickness from 6

This leads to the valve opening too early which causes excessive amounts of fuel to be returned to the tank

5 to 4-inch reducer boot and 3

This new and improved version from our previous Suction Tube Kit allows the user to plum their FASS suction and return line directly to their bulkhead fitting which are mounted directly on the fuel tank module

Every transmission comes with BD's own Heavy Duty pan that adds extra fluid capacity

They were able to do this by creating a Tri-Flow system that staggers the opening times of the intake lobes creating a swirl in the system

OEM bridges fail