I went with the TCI SF3000, am very happy with it, did have to do some tuning after the install. Found out from this website why the converter would not stay in lock up and made the fix with HP Tuners program that I have. If you are going to tow anything then go with the Yank. If I were you, I would buy the TCI SF3000 and take the money you save, then purchase HP Tuners and make all the changes yourself to your truck. It is alot of fun.