Most pinstripes are easy to remove, though best with a orbital polisher for best results. There are some good videos on how to do it on YouTube, just search offroad pinstripe removal and watch a few.
If you plan on off-roading often, I would use a chemical polish to "hide" the scratches until you can do a proper cutting buff say once a year. You don't want to abrasion polish your clear too often.
Here is one on a black truck doing it purely by hand using a chemical polish method: