Upgr8 U8701-4101 Hd PRO OEM Replacement High Performance Dry Drop-in Panel Air Filter Red (No Fit Ford Focus Engine) UPGR8 engine air filter is designed to fit perfectly in your stock airbox Made of high density acrylic fiber, black rubber and double black reinforced stainless steel mesh It is engineered to maximize air flow performance Allows more air to flow easily to the engine, it will increase more horsepower and torque This panel air filter is long life type filter and it is reuseable UPGR8 air filter is designed to fit perfectly in your stock air box Made of high density acrylic fiber, black rubber and double black reinforced stainless steel mesh It is engineered to maximize air flow performance Allows more air to flow easily to the engine and it will increase more horsepower and torque This panel air filter is long life type filter and it is reusable