2. Made of aluminum alloy with chrome coating material for lightweight and durability.
3. This filter is to replace the line on the valve cover, and blocked off the hole in the air box with an extra spark plug. Works well.
4. To fit 1/4 hose,can try Get a nylon/plastic barbed adaptor from hardware store.
5. Note: Because the product contains plastic part, please do not use at high temperature environment.
Note: The color of the item may vary slightly due to photography and your own computer Features: Increases horsepower and improves fuel economy. Performance: improves up to 95% filtration efficiency. Made of aluminum alloy with chrome coating material for lightweight and durability. More filtering surface than original filter. Filter can be washed & oiled. Easy installation for a clamp, works with 13mm air intake systems. Specifications: Item type: Auto air intakes Item name: Air filter/air intake Material: Aluminum & rubber Color: Red Inlet diameter: 13mm /0.51inch Size:6x5cm/2.36x2.0Inch Weight: 112g