Like many other off-roaders, I am always on the hunt for more power. But there is a little bit of a difference when it came to my Polaris RZR. I use my Polaris RZR in a wide variety of terrains and at different altitudes. Anything from the Imperial Sand Dunes at almost sea level, to rock crawling at 8,500 ft. I am also not interested in using race gas, only pump gas for me.