Our bed uses a more "stick-and-brick" style angle iron outer frame with the springs and steel straps strung between the opposing angle iron members. So, it's certainly possible to replace the sheet of plywood with something else.
2016 Ram Longhorn 3500 Dually 4x4 CCLB, 385/900 Cummins, Aisin AS69RC, 4.10
2014.5 DRV Mobile Suites 38RSSA #6972
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