The VIPER Mod for Grand Theft Auto San Andreas is based on the 90's hit TV show: "VIPER". Viper: The Metro City Chronicles 2.0 has been released on May 10th, 2013.
If your map constant keeps changing between the low poly models, far away models and the close range models, this tutorial might help you.
Do you also have a problem with getting the mod running? This tutorial might fix your problems!