Go to GTA V > mods > update > update.rpf > common > data > handling meta

Search for "cheetah" and replace everything from

<Item type="CHandlingData">
      <handlingName>CHEETAH</handlingName>
     


to 

      
      </SubHandlingData>
</Item>



with the data provided in "tuatarahandling.txt" file included.


IF YOU DO NOT DO THIS THE CAR WILL FLIP WHEN IT TURNS CORNERS.