Universal Air Take Filter: fitment for vehicles with 12mm air intakes, for most Off-road Motorcycle ATV Quad Dirt Pit Bike. High flow replacement car intake filter designed to fit perfectly in your stock airbox Increase horsepower and Acceleration: The Air Filter is designed to boost engine horse power significantly, increase engine power and torque outpout, the car air filter prevents abrasive particulate matter from entering the engine’s cylinders to ultimately increase horsepower and improve the gas mileage Air Induction Efficiency Drastically Improved: High flow intake air filter with excellent filtration can reduce the resistance of the engine air intake, and improve per unit time air intake and volumetric efficiency when engine running High Quality: Professional manufacturing, stable characteristics and high reliability. Different colors for choice. Easy and simple installation 100% Gurantee: 100% test before shipping to ensure product perfect, stability and durability and we