5 Star Tuning 2014 Jayco Precept
After taking my precept with a whole 3900 miles back to Ford 4 times for a numerous set of reasons one being the high reving shifts also hard shifts which they said was normal-I installed yesterday the 5 star tuning and what a difference drives like a dream. I know many are concerned about warr but before you go in for service you uninstall the program and it is easy to do. I also have to say that I was very impressed with the 5 star tech which returned my call and talked me thru any concerns I had with the install. Hope this helps.
Mark
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