Pirelli Scorpion Mud Tires are On Sale and Ship Free! Pirelli Scorpion Mud is a tire designed for the true off-road enthusiast who needs an aggressive tread pattern to obtain maximum grip on slippery and inconsistent surfaces. Scorpion Mud quickly drains water and mud to guarantee directional stability and grip without renouncing safety. This tire offers high impact and tear resistance. The tire has an aggressive tread pattern with rugged blocks and deep grooves.