I had trouble with my Kodiak decals peeling after two years and Thor/Dutchmen sent me replacements for free.
You might want to try them for their suggestions. I don't think they would replace anything for free at that age, but perhaps at a lower cost.
2011 Kodiak 240KSSL
Husky Center Line WDH
2014 Dodge Ram 1500 4x4 Outdoorsman 3:92,8-speed,5.7L HEMI
2007 Kodiak 214 HTT (prior)
2010 Dodge RAM 1500 4x4, 3:55, 5.7L (prior)