So what is everybody using for onboard air? I recently decided to get the MaxiTrac 300 LPM compressor from NAPA (this one) and built an air up/down system also after watching a few videos (one of many)of the mods to do. I built my air up/down system to do my front tires and separate for my rear as I run different pressures front to rear. Currently it all sits in a bag in the bed and I am thinking of trying to find a permanent mounting position. Curious if anyone else has this compressor and what they have done to mount it in their Ram.