Great seat-of-the-pants feel. Premium quality construction. Engineered to deliver maximum performance within stock engine configuration.

-Increases 12HP & 28FT/LBS
-Maximizes airflow for better acceleration and responsiveness
-29% CFM over stock
-Improved performance results in greater fuel efficiency
-Installs in less than 60 minutes using factory mounting points
-No cutting or drilling to engine compartment is required
-Replaces OE air filter with high flow high performance 360 degree radial flow air filter
-Washable/reusable air filter with the deepest pleats in the industry is the largest possible in the space allowed
-Replaces factory air box with a heat-blocking, covered shield that seals to the hood
-Replaces factory air tube with high-flow, unrestricted air tube
-Limited lifetime warranty

THIS PART FITS:
2004.5-2005 Sierra LLY 6.6L Diesel