High Quality Material: Made of high quality aluminum and rubber, high/low temperature resistance. Easy Installation: With mounting clamps, 2 aluminum mounting clamps and 2 rings, easy to install. Adjustable: Inner diameter: 76mm, unstretched length: 30cm, can extend to 1m, 360 degree fully flexible. Good Performance: Can enhance filter protections, improve throttle response and restore engine performance. Suitable for: Suitable for most vehicles with 76mm intake, tube and pipe.