Race-Driven Rear Inner and Outer CV Boots. You will receive 2 heavy duty CV boots, grease and clamps to replace the rear CV boots on the following: 2015 2016 2017 2018 2019 2020 2021 Kawasaki Mule PROFX KAF820, 2015 2016 2017 2018 2019 2020 2021 Kawasaki Mule PROFXT KAF820. Race-Driven CV Boots are made to meet or exceed OEM and other aftermarket specifications and has high quality rubber for extended life. Replace those cracked or punctured boots before dirt and water ruin your CV shaft. Race-Driven is committed to bringing the highest quality products to all riders at an affordable price. Customer Driven – Quality Driven – Race-Driven.