1PC Universal Sound Simulator Car Turbo Sound Whistle Vehicle Refit Device Exhaust Pipe Turbo Sound Whistle Car Turbo Muffler Features:1. Make your vehicle sounds like a turbo vehicle2. After installed this turbo sound whistle, the preure blowing out of your exhaust will make your vehicle sounds like a turbo vehicle with the turbo system or blow off valve.3. Made of high quality aluminum, light weight and durable.4. Easy to install on the car's tailpipe.Description:Material: Aluminum alloyColor: Silver, Black, BlueSize: SInstallation:1. Loosen the screw on the turbo sound whistle2. Place the turbo sound whistle body inside the exhaust muffler with the larger opening facing the inside of the muffler3. Screw the screws on the turbo sound whistle to tighten the item so it does not fall off while drivingPacking List:1 * Turbo Sound WhistleNotes:1. The turbo sound whistle is not suitable for extremely curved tail pipes.2. Please make sure the tailpipe is big and long enough to contain this turbo sound whistle