My superlifts on my 05 and 08 were also painted and cleared and started to rust within 2 winters. I’ve seen CST kits up close and personal. My buddy has a blown 5.3L with a CST with front and rear resi’s on Welds. His truck is not a DD, but if it was, it would be showing signs of rust just like mine lol. My friend had a 10-12” Cognito (which is considerably more than cst) on his Sierra (DD), that too started to rust. Regardless of quality, no undercarriage is holding up to NE winters. Sent from my iPhone using Tapatalk