Welcome to Cobbs Diesel Performance!  We are proud to offer you the best products for performance, fuel economy and reliability for your Powerstroke, Cummins or Duramax! From DPF delete kits and programmers - such as the Spartan console, XRT and Smarty - to intercoolers and Air Dog fuel systems, we've got you covered!  We can also help you with technical and installation questions! At Cobbs Diesel Performance, we don't just sell the products, we also run them on our modified diesels!  So you can rest assured, the advice we offer comes from first-hand knowledge of what works best, how to install it and get the most out of your modifications!