A modification bundle designed for particular mannequin yr and engine configuration vans usually includes the elimination of sure emissions management elements. These elements typically embody the diesel particulate filter (DPF), exhaust gasoline recirculation (EGR) system, and selective catalytic discount (SCR) system. This alteration goals to bypass factory-installed emission controls on a selected car.
Traditionally, such modifications had been pursued to boost engine efficiency, enhance gasoline economic system, and scale back upkeep prices related to emissions management methods. Proponents argue that deleting these methods can result in elevated horsepower and torque, in addition to decreased downtime for regeneration cycles and repairs. The elimination of those methods can also be motivated by a need to simplify the car’s mechanical operation.