My Diamond liner has held up pretty good over the years however I don't abuse it. I would get over the rails.
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2000 short, 4x4, 6 speed, 12.25" DD Valair, S.O.VP44, AEM Brute Force HD, FBD 5" with 6" tip, ADRENALINE!!!, AirDog II 165, AutoMeter Cobalts, 35" Mud Grapplers on 18" Black XD Diesels