With this software you are able to simulate how different components will perform in your car as well as other cars from various manufacturers! There is no limit with which number/sizes can be simulated or used so if there ever has been any issue like having an error it's easy enough for me to fix myself without needing someone else who knows more than I do (I use AutoCAD). The only thing negative about using this program is that sometimes when trying to create new models, it takes a reallyβ¦