Gipphe's Carmaggedon Mod comes to Grand Theft Auto V.
This mod gives all cars, except a selected few mentioned in the readme file, negative base friction on their wheels, making them accelerate, rather than decelerate, at all times when the wheels are in contact with a surface, whether it be the ground, a wall or the ceiling. This makes for a lot of hilarious car madness, without a doubt.
This mod has absolutely nothing to do with the Carmageddon game from 1997, Stainless Games, the Carmageddon series nor the movie Death Race 2000, which Carmageddon from 1997 takes inspiration from.
You need a modded console to use this mod.