Reviewed By Jason K (Morgantown, WV) Reviewed for a 2009 Ford Focus —4/24/2009 12:29 PM
I bought the hypertech max programmer for my 09 focus. It was ok in that it gave the ability to change rev and top speed limiter, as well as a few other things. Overall power gain and gas mileage improvements were minimal tho. Probably better for larger engines and diesels.