Make sure the performance air filter in your 2017-2019 Chevy/GMC 6.6L L5P Duramax is clean with a Filter Cleaning Kit. Regular cleaning intervals can help you get the longest life out of your aftermarket air filter. Simply match up the filter media style and filter brand to ensure you get the right kit to maintain your air filter. You can find Filter Cleaning kits from manufacturers like S&B Filters, AFE, K&N Engineering, and others at XDP. Aftermarket filters are dry or oiled and feature a synthetic or cotton gauze filter media.