This refers to a group 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 resembling 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 Gasoline Recirculation (EGR) valve.
The impetus for putting in these aftermarket options typically stems from perceived enhancements in gasoline financial system, engine efficiency, and decreased upkeep prices. Manufacturing unit-installed emissions management techniques, whereas essential for regulatory compliance, can generally limit exhaust movement and contribute to points resembling DPF clogging, resulting in decreased effectivity. Traditionally, the supply of those kits elevated following emissions-related controversies involving Volkswagen diesel automobiles, providing house owners a approach to probably circumvent these techniques.