Closed Box Air Intake w/ Cold Air Scoop Red Filter 06-07 Silverado/Sierra 2500HD/3500HD Volant Suspension - Leaf Springs - Leaf Spring Shackles and Hangers Includes one FOX88406426

Includes one FOX88406426

no-drill installation for all applications

5 Inch-20 Inch x 9 Inch 0 Offset

Water Pump Style: Gm Cartridge

Holley engineers have designed 12-1200-2 to feature improved hot fuel handling capabilities

Closed Box Air Intake w/ Cold Air Scoop Red Filter 06-07 Silverado/Sierra 2500HD/3500HD Volant Suspension - Leaf Springs - Leaf Spring Shackles and Hangers Includes one FOX88406426Volant air intake systems utilize a high velocity venturi filter adapter which provides a smooth transition through the MAF sensor into the intake tube for a much needed airflow improvement over the factory rubber tubing and resonator box. Volant's Cool Air box is larger than the factory unit and incorporates a larger opening to collect a higher volume of colder ambient air. Customers using the Volant CAI kit with the scoop report 2 4 MPG improvements