I have a 2014 GMC CC long bed dually. I removed and sold the stock bars. That sale nearly paid for the purchase of Stainless wheel to wheel bars from Innovative Creations. This was 4 years ago. They are still looking good. I believe there are other choices now.
2018 Chevy 3500 LTZ Dually Diesel 4x4 CCLB
2011 Montana 3455 SA. 6 point level up. Disc brakes. Curt Q24 Hitch
Progressive EMS. Valterra tank valves. Sailun G637 tires. ARP fridge control. All led lighting. Mor Ryde IS