This mod increases the speed of the Dukes and Duke o Death, the Dukes will do around 200 mph so watch that traffic!
The Duke o Death also has its mass increased for extra ramming power!
New optional version, the Dukes is even more powerfull and the Duke o Death weighs 100 tonnes.
To install you need Open1V 2.6, replace the handling meta file in the spupgrade data folder located in the dlcpacks section in x64w.rpf.