Replace your restrictive factory air filter/box with the Rock Ripper Performance Line Extreme Air Intake System.
***This model Rock RipperTM Extreme Air Intake, fits 88 22RE Pickup/4Runner.***
*Note: Any variations of parts from what is provided will void the 50-state smog certificate.Make: Toyota | Model: Toyota Truck and 4Runner | Sub-Model: Toyota 4cyl. | Brand: Trail-Gear