S&B Filters 75-5008D Cold Air Intake for 2005-2007 Dodge Chrysler 300C Magnum Charger SRT8 5.7L/6.1L (Dry Extendable Filter) 58.3% More Airflow & 99.65% Efficiency Rating. Tested To The Internationally Accepted ISO 5011 Standard Designed To Avoid Check Engine Lights 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-1025D Street legal in all US states, CARB Exempt ID: D-590-5