Review on 🚀 JET 15043 Performance Tuner by Ronggolawe Denney

2007 Navigator. Sluggish butt on a good day. The Jet Programmer was a lot better than one would think for the price. Lots of settings and optimizations. I loaded the default premium fuel setting and increased my shift points a bit. Not a dynamometer test, heh, but a good ride-day seat says the truck is a little springier off the line in low gear. Enough, I heard him bark his tires a few times. From around 25 mph to 85, the performance is definitely more impressive. I would say a 15-20% improvement in this area. I didn't go higher because I don't need to go higher in everyday life. The consumption seems to be a little better. The trip computer says I'm about 1mpg. i will believe it Add in the ability to customize tire sizes and shift points and a rev limiter and I would recommend this purchase to any Navi/Expy owner.