Are you going to use it for fulltime RVing? or just weekend campings a few weekends every year for a few years? IF the former get the suspension if the latter save your money. We are about to go do some serious RVing and we are going to get the IS upgrade. It makes sense for our application. Your mileage may vary as they say... it depends....
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2017 RAM 3500 Laramie CCLB Dually CTD Aisin, OEM auto level rear air-ride, B&W hitch
2020 3813MS Legacy Cobalt FBP, MORryde 8K IS & pinbox, PI EMS,DIY mods by in-house "craftsman", RV security system Mk1 Beagle Alerter
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