S&B Filters 75-5003 Cold Air Intake for 2005-2006 Ford Mustang GT V8 4.6L (Oiled Cleanable, 8-ply Cotton Filter) 54.5% More Airflow & 99.24% Efficiency Rating. Tested To The Internationally Accepted ISO 5011 Standard Designed To Avoid Check Engine Lights Oil Amount: 26 Grams on Filter Element. Replacement Filter: KF-1023 Street Legal in all US States, CARB Exempt ID: D-590-3