Ok, I was going to offer to buy them. But in all honesty I think you're better off with the 12s. I've been stuffing systems into a reg cab ranger for 5.5 years and one thing I've learned is that it's easier to just stick with a smaller size and have the extra room. Four 10s would be pretty sick in there though if you're set on switching things up. I had a lv4xl 10'' for a while and it killed the lows.