Clean the performance air filter in your 2007.5-2010 Chevy/GMC 6.6L LMM Duramax with a Filter Cleaning Kit. Performance filters are typically made with a synthetic or cotton guaze media that can be dry or oiled. Get the right cleaning kit for your existing air filter by choosing the filter brand and media type. Manufacturers such as S&B Filters, AFE, K&N Engineering, and others produce Filter Cleaning Kits that are available at XDP. Stay on top of cleaning your resuable air filter to get the most like out of your cone air filter, or drop-in panel filter.