My old rig was 2wd, had a 6 inch lift with 35's and a mechanical locker in the rear and it kept up with all of my buddies with 4wd (within reason of course). The only times I ever had issues where I wanted 4wd was when I had to go through rocks and in the snow. The best way to improve the 2wd platform in my opinion is gunna be better tires, ground clearance (lift) and recovery gear. Why buy recovery gear if you're not gunna use it, right? If you keep to easier/mild trails you should be fine, you just might need to use a little more speed to get over obstacles than you would with 4wd. Also a big thing is knowing your limits, once you start getting out there and pushing yourself and the rig youll know where the limit for your rig is.
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