Clean the performance air filter in your 2001-2004 Chevy/GMC 6.6L LB7 Duramax with a Filter Cleaning Kit. Most aftermarket drop-in filters, or cold air intake systems use an oiled or dry filter that is made from a synthetic or cotton gauze filter media. Get the right cleaning kit for your existing air filter by choosing the filter brand and media type. 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. XDP carries Filter Cleaning Kits from some of the biggest names in the industry such as S&B, AFE, K&N, Volant, AEM and many more!