We installed Viair's Heavy-Duty Onboard Air Compressor to our 2015 GMC "Project ATV Toy Hauler" Sierra 1500 to use at the track, dunes or desert. It's 150 PSI running pressure allows us to use air tools and fill up to 35-inch tires. The 2.5 gallon air tank fills in minutes, and we installed the air gauge / switch under the passenger seat for easy access. Read the full review at ATVRider.com!