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Gryphon issues ?
I Know i have not got my custom tunes yet but do you really think they will be way better than what i am getting on the can tunes? right now i am really not impressed with the milage that I am getting with the can tunes. I was getting 2-3 more MPG running a max energy hypertech. any help please. and all i read is how everyone is so happy with theirs and why am I not?
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