You’d be surprised as to how many people actually put out misleading wrong information out there on leveling and tire size especially 15 1/2 - 18’s. In the past, I’ve called out a bunch of BS’ers claiming their tire larger sizes on these model years didn’t rub when leveled even some saying it didn’t rub cause their tires were already on before the level, lmao! And then find them down the road on another thread talking about their rubbing issues. People: Leveling WILL cause rubbing issues on years 15 1/2 - 18’s GM 1500’s running 20” wheels when adding anything bigger than stock size tires. Another thing, leveling will cause your truck to ride rougher than stock especially adding E rated tires which is common on larger tires like 285/60/20’s. You’ll also need to buy new offset wheels in order to get the rubbing to stop and buying new uca’s doesn’t guarantee to stop the rubbing which is why I jumped on the “much smoother than leveling” Badass CST 4.5” lift. When you consider the cost that goes into the leveling parts, wheels, shocks/struts and labor, it’s a no brainer! You should never “ever” go cheap on your suspension, it’s your vehicles foundation. Most trucks that are traded in are traded in due to bad riding trucks caused by people that want the look but don’t have a quality suspension, all lifts are not equal, you get what you pay for. If you’re on s budget? Save until you can afford to do it right cause then you’ll actually not only enjoy looking at your truck but you’ll love driving it too and not need a throw up bag and Advil for the ride along Sent from above