I have that one. The etrailer install video helped a lot. My boyfriend and I installed it within 20 min. We did it step by step exactly like the video. And I love that it's low profile.
2012 Mazda 3s 2.5 at exactly 35k miles. It was my baby but needed something a little bigger. I say the 3 evolved haha. Here's the new one 2016 cx5 awd gt I'm having a lot of fun with it already.