I installed your Heat-sync and had an opportunity to take the truck for a trip (311 miles). I checked the fuel mileage, which was around 16
MPG before installing the Heat-sync, and found that it is now 18.91 MPG.
This trip was through the... ...read more From: Arlan S.
My first purchase of exhaust, cooling upgrade, chip, and couple other things was awesome. Your support for those products and help for other non related problems was excellent. When the post office lost my chip, you went out of the way to make it... ...read more From: Randy B.