Product Name: Air Filter Vehicle: Cold air filters for motorcycles, cars and mini-bikes Product Specifications: Color: Black Inside diameter size: 2.16 inches / 55 mm Type: clip-on mushroom head intake filter Features: Multi-functional use: suitable for motorcycles, cars and mini bikes, providing cold air filtration for a wide range of vehicles Sophisticated design: Mushroom head intake design increases air flow and improves engine performance Easy Installation: Clip-on design, easy to install and replace, no professional tools required