Smarty Diesel Tuner is a Dealer. If you have deleted anything on your truck emissions - This Product will not work ! This Product will not Fix Deletes. We do not sell any product(s) that Delete(s). The Smarty Product we sell will not work with any Delete(s). Not for Sale or Street Use In California & CARB States The Product we Sell only Works with DPF Installed and EGR Installed and all emissions in place. If you have deleted anything on your truck emissions - This Product will not work !