AIR FILTER + INTAKE PIPE KIT SET ?Premium Material?The air intake pipe made of excellent aluminum alloy material, high temperature resistant and anti-corrosion, ultra durable. ?Designed To?Funnel-shaped air intake hose designed to direct cold air inward, minish intake turbulence, boost air speed and generate ?Good Performance?The cold air intake hose helps to optimize throttle response, creating pure horsepower and improving fuel / gas mileage ?Practical Tool?Air filter adopted dry density fibers which can obstruct external substance entering the engine, it is a practical tool