The U. S. Environmental Protection Agency (USEPA) provides databases that agglomerate data provided by companies or states reporting emissions. releases. https://www.bekindtopets.com/quick-find-Tuner-DT8170010007060-Optimized-Stock-Tune-Only-for-EFI-Live-Spade-2016-Colorado-Canyon-2-8L-LWN-big-savings/