These wonders work wonders when converting standard RZR seats to a harness system. I was a little wary of crashing into the seats of a $15,000 car, but I'm glad I did! Installation was pretty easy, just follow the pattern and dimensions. Take your time, measure seven times and cut once! Do not use razor blades to clean seat backs according to directions. Instead, grab a Dremel and the appropriate cutting attachment. Took me about 30 minutes for each location. Much cheaper than replacing myโฆ