Bullys PerformanceStop by Bully's Performance for all your Performance, Appearance and Accessories! Helping enthusiasts Mod their Ride is what we do best :). Need to pass mod idea's by or get a Professional opinion? No beating around the bush, no high pressure sales...Just simple honest recommendations and truth from a fellow RAM owner/enthusiast. We will make sure you check out with a smile on your face knowing you made the right decisions on your mods purchase(s)!
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If I purchase the Bully Dog 40430 for my 2013 Ram, do I have to leave it in or once I write the tune to my Ram's computer can I take it out? I really don't need nor want an extra display screen in my Ram especially since most of what it displays I can display on my EVIC. I'm just interested in correcting my speedometer for my larger tires and getting better mileage so I'm hoping once I write my tune I can disconnect it and get the benefits of the tune without the display.