08- F250 6.4L Air Intake System Inline Chips & Modules 81 in OD - C2-R8

81 in OD - C2-R8 Valve - Digressive - Steel - Zinc Plated - Each

938 in Tall - Reusable Cotton - Red - Various Applications - Each

Coil Spring - Conventional - 5 in OD - 13 in Length - 175 lb/in Spring Rate - Rear - Steel - Red Powder Coat - Each

5 in ID - 8 in Length - 275 lb/in Spring Rate - Steel - Red Powder Coat - Each

While box and filter enlargement and redesign are a major factor in ultimately producing a more potent intake they are not the only variables in creating a more efficient design either

08- F250 6.4L Air Intake System Inline Chips & Modules 81 in OD - C2-R8Air Induction System 57 Series FIPK Reusable Oiled Filter Plastic Black Ford Fullsize Truck 2008 10 Kit