AFE Magnum Flow Pro Guard7 Air Filter 11-16 GM 6.6L Duramax LML DOR-601-231 This is the most efficient

This is the most efficient way possible to level the nose of your Canyon or Colorado

Should you run TNT-R loaded down with 20

Cross Reference Part Numbers: 4921601

Maintain fuel pressure and maximize power out of your 7

AFE Magnum Flow Pro Guard7 Air Filter 11-16 GM 6.6L Duramax LML DOR-601-231 This is the most efficientReplace your factory air filter with a washable and reusable OE replacement filter by AFE. The Magnum Flow Pro Guard7, with its inverted design, takes advantage of all the space in your stock air box, resulting in an increase of air flow up to 44%. With seven layers of progressively finer mesh cotton gauze synthetic media, this high flow "oiled" OE replacement performance filter provide maximum protection with highest cumulative filtration efficiency