K&N Cold Air Intake Kit + Filter 77-3050KP for 05-06 Cadillac Escalade ESV EXT 5.3L 6.0L V8 Guaranteed to Provide more HP and Increased Acceleration,Engineered to Specific Vehicle Design,Easy to Install, Usually in 90 minutes or less! Replaces OEM Filter and Air Box,Air Filter is Washable and Reusable,Works with Original Equipment Manufacturer Computer Systems Street legal in most states (some not street legal in CA - Check part number or vehicle listing for specific CARB status) Street Legal In All US States: Yes, CARB EO Number: D-269-34, Replacement Filter: RF-1041, Filter Size Inlet: 6" Vehicle Application: Cadillac 2005 2006 Escalade / ESV / EXT 5.3L 6.0L V8