Certain vehicles will require a small breather filter to go with their intakes. If you have a Secondary Air Injection (SAI) hose, this will be a required accessory. Check out the handy image to see where the SAI is, and if you have it.
Engine Air Intake Cover
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Package Information
Orderable Status:YesQuantity:1Package UOM:Inner Pack (non-shippable)Weight Variance:0.000000000Stacking Factor:0Inner Quantity:0
Extended Information
Life Cycle Status Code:Available to OrderLife Cycle Status Description:Available to Order