they may have fix it, but, as you're aware Fast motorsports is designed and developed by import image, same as IPR, and we all know how the IPR TMIC fits!
I was on the edge between the fast fmic and the racer-x. I just so happen to get the racer-x bnib straight trade for my avo tmic. I had no problems installing it, plus with the racer-x's smaller tubing it helps a lot with a 16g sized variant, and stock.