The product is a 10 inch extra large Bellmouth Velocity Stack designed for a 3" intake, manufactured by Samco Sport. Made of aluminum and with universal fitment, this performance part is a must-have for drag racing enthusiasts. With a warning label for California Prop 65, this product is a high-quality, USA-made accessory that promises to enhance the air and fuel delivery system of your vehicle for optimal performance on the drag strip.