This refers to a set of aftermarket parts designed to take away or bypass parts of the emissions management system in a particular automobile: the 2012 Volkswagen Jetta TDI (Turbocharged Direct Injection) diesel mannequin. These kits sometimes embrace components akin to a alternative exhaust system, digital management unit (ECU) tuning software program, and block-off plates for disabling parts just like the Diesel Particulate Filter (DPF) and Exhaust Fuel Recirculation (EGR) valve.
The impetus for putting in these aftermarket options usually stems from perceived enhancements in gasoline economic system, engine efficiency, and diminished upkeep prices. Manufacturing unit-installed emissions management methods, whereas essential for regulatory compliance, can generally limit exhaust circulate and contribute to points akin to DPF clogging, resulting in diminished effectivity. Traditionally, the supply of those kits elevated following emissions-related controversies involving Volkswagen diesel automobiles, providing house owners a approach to doubtlessly circumvent these methods.