Hey gang im new to the site here, but i have a 2008 F-350 6.4 I bought new and it has a around 170,000 miles on it, it is completely stock. I'm having some issues when i pull a trailer, the temp gauge spikes out & goes into limp mode, i can pull over,kill the engine & it goes back to normal or i can continue to drive & it runs its course in a few miles, the longer the trip the worse it gets, its not getting hot at all, but it will usually go into cleaning exhaust filter, is this because my dpf is clogged? My next question is i want to keep this truck & want to do the complete delete on it, who would you recommend in the north tx area? Please tell me because I already had a bad experience in the selection upgrades for 6.4 powerstroke