Maximize the performance and longevity of your S&B air filter with the S&B air filter cleaning kit 88-0008. This kit works on any S&B oiled air filter and 95% of all other high performance oiled air filters on the market. If your S&B air filter is looking dirty, it is. Properly cleaning and caring for your air filter will not only extend the life of it, but also the life and overall performance of your truck.