I bought this Triple Dog Downloader because I needed a tuner I could change settings on while driving or towing. It has worked great on 2 of my 7.3l trucks, a 2000 and an 01. Makes your truck much more fun to drive, and with less smoke than many other brands. I used to run a Diablosport, and that made a lot of black smoke. While a lot of guys like that, it really is just wasting fuel. I have switched to a custom-programmed chip, and am selling this unit. It has been completely un-installed as is ready for the next truck!
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