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I am considering purchasing a programmer for my 2008 F-450. To be used mostly for driving around when i need better mileage. Power isnt a problem. I have read up on a few Bully Dog, Edge. They all look to be good unit's.
My question is. Is it safe to tap into the original program with one of these. Or should i stay away from them. And which type, and model do you recommend.
