I have the 5000 Ultimate installed on my truck with the wireless one. With nothing loaded, I run around town with 5 lbs. The bags actually help me load my trailer on the weight distribution hitch. I fill and release air on the fly. I just got back from a 5 hour trip with my trailer last night. My trailer has a 1,500 pound tongue weight and I was toying with the air pressure. At 45 lbs I experienced bouncing after bumps. I raised the pressure to 70 and it completely eliminated the bounce but still kept the ride really smooth. I love my bags. One of the best investments I've made for my truck. You'll love your bags. I can't imagine having a truck without them now.
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