Gary that is going to happen, but not because of LSPDFR so to speak, it seems to be more due to the way that the script hook and rage plugin hook work to interact with GTA. The amount of work the game is having to do to keep interacting with the scripts and plugin hook are in general the main cause for fps loss. Having said that though, no matter what they do, it will always impact fps. I tried loading my game up and as soon as I initialise any of my scripts (without loading lspdfr) there is a small hit, for the most basic of scripts.