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Similarly, the DPF system traps particulate matter in the exhaust, which can cause back pressure and reduce engine power. By deleting these systems, you can increase power and torque while also improving fuel efficiency. These parts are used to remove the diesel particulate filter. A tuner plays a crucial role by reprogramming the truck's computer to accept the removal of the DPF and other emissions systems. Our DPF delete pipe for 6.7 Powerstroke bolts in place of the original DPF and CAT, rerouting emissions