Exhaust system to open air — everything from the header back. Header-back systems are generally produced as aftermarket performance systems for cars without turbochargers. The Turbo-back (or turbo back) is the part of the exhaust system from the outlet of a turbocharger to the final vent to open air. Turbo-back systems are generally produced as aftermarket performance systems for cars with turbochargers. Some turbo-back (and header-back) systems replace stock catalytic converters with others having less flow restriction. Some systems (including in former time all systems) (sometimes nowadays called catless or de-cat) eliminate the catalytic converter. It is illegal and is against Federal
Pollution Probe achieved the passage of mandatory vehicle emission testing in Ontario. In 2004, Pollution Probe helped to obtain further regulations in Ontario to reduce metal smelter facility emissions that can cause acid rain. In 2010, the organization helped to persuade the legislature to enact regulations to limit car and truck greenhouse gas emissions. In 2013, the organization collaborated with five power utilities to launch the Electric Mobility Adoption and Prediction ("EMAP") project. In 2016, Pollution Probe and Plug’n Drive issued a report with recommendations intended to increase sales and use of electric vehicles. In 2017, Pollution Probe was appointed one of