I misunderstood your original question. I was referring to installation of the entire hitch to the vehicle. The L shaped receiver is very easy to install and remove. There is a handle on the side that you rotate to remove the receiver. To install, you just push it into the block and it...
I don't have any more pictures right now. It took me about 6 hours to install and re-assemble everything. I'm not sure which piece you are referring to.
I removed the diffuser and one bracket that the diffuser connects to near the reverse light. I'm not sure if it is any easier than removing...
I finally installed mine. Installation was a huge PITA, though I managed to get everything back together without breaking anything. I'm a little disappointed how low the hitch is. The receiver is easily 1.5" below the diffuser. My back rack nearly scraped pulling into my driveway.