The core topic pertains to aftermarket parts designed to take away or bypass factory-installed emissions management methods on a particular mannequin yr of a heavy-duty pickup truck. These methods, whereas supposed to scale back pollution, can generally be perceived as detrimental to efficiency or gas financial system by some car homeowners.
The enchantment of such modifications usually stems from the need to reinforce engine energy, enhance gas effectivity, or scale back upkeep prices related to the unique emissions tools. Traditionally, these modifications have been some extent of competition, balancing particular person car efficiency needs in opposition to environmental laws and producer warranties.