Get the Power You Want You™ve got power hiding in the engine of your Polaris Sportsman. Find it and put it to good use with our Rev1 Dynojet Power Vision 3 ECU Tuner. It boosts your performance while doubling as a diagnostic tool for troubleshooting and tune tweaking. It gives you unparalleled control. No Limits How does a Dynojet tune eke out free performance from your machine? First, it raises your speed and rev limiters to let you go faster. It also adjusts engine timings to give you an extra boost of horsepower. On top of that, it raises your limp mode speed so you can actually get to the trailer, and it lets you brake and gas at the same time for technical rides. It makes everything better. Almost Instant Install Installing a tune using the Dynojet tuner is a piece of cake. You plug it into your standard diagnostic port then use the bright, full-color display to install your Sportsman ECU flash tune. Installation takes just a couple of minutes so you can go from zero to hero quicker than you can finish reading about it. Live Diagnostics Leave Power Vision 3 plugged in while you ride to get live readings of your wheel speed, coolant temp, RPM, and more. Hook it up to a PC after your ride and use the logged data to troubleshoot issues and tweak your own tunes with the Power Core tuning software. Power Vision 3 Gives You: Higher rev limits Higher speed limits Lower fan temps Faster limp mode Simultaneous gas and brake Tweakable tunes Live diagnostic tool Data logging