Attention: TDR Forum Junkies 
I did mine with Armorthane when I still owned our aluminum case manuf. business. It is extremely resistant to rock damage and Highly recommended!!!!
You can do it yourself (very close to commercial products) with a kit from Herculiner for approx 100 bucks, black only
You can do it yourself (very close to commercial products) with a kit from Herculiner for approx 100 bucks, black only
