Continue shopping “Injen 18-21 Subaru WRX STI H4 2.5L Turbo SP Aluminum Series Cold Air Intake – Polished” has been added to your cart. Remove item Thumbnail image Product Price Quantity Subtotal × Injen 18-21 Subaru WRX STI H4 2.5L Turbo SP Aluminum Series Cold Air Intake - Polished $344.95 Injen 18-21 Subaru WRX STI H4 2.5L Turbo SP Aluminum Series Cold Air Intake - Polished quantity $344.95 Coupon: Apply coupon Update cart Cart totals Subtotal $344.95 Shipping Auto City Imports Shipping Shipping to OH. Tax $27.60 Total $372.55 - Proceed to checkout