So IKON motorsports makes a rear M2 knockoff bumper for the F22:
https://www.amazon.com/Bumper-2014-2...t-items&sr=1-3
Now I was tempted for a very brief amount of time, because getting a diffuser to look good + having space for quad tips is kind of a pain, but in the end, I am pretty happy with just how my diffuser now looks. I feel like this might be too poseurish.