S&B Filters 75-5079D Cold Air Intake for 1997-2006 Jeep Wrangler TJ 4.0L (Dry Extendable Filter) 66.08% More Airflow & 99.43% Efficiency Rating. Tested To The Internationally Accepted ISO 5011 Standard Designed To Avoid Check Engine Lights Premium Silicone Parts Last Longer And Look Better Extend the life of our dry filters: Using compressed air, blow off the outside of the dry filter keeping the air nozzle moving and no closer than 6 inches to the media. Replacement Filter: KF-1058D & Filter Wrap: WF-1058 Street Legal in All US States, CARB Exempt ID: D-590-11