Origin:Mainland ChinaXL Size Black Turbo Sound Whistle for Vehicle Refit Device Exhaust Pipe Car Turbmuffler Universal Sound Simulator Car XL Size Black XL Size :The XL size of this muffler ensures that it can handle high-powered engines and provide a loud and clear sound. Black Turbo Sound Whistle :The black turbo sound whistle adds a unique and stylish touch to your vehicle while also improving its performance. Universal Sound Simulator : The universal sound simulator feature allows you to customize the sound of your vehicle's engine, making it sound more powerful and aggressive. Rear Mounting Position :T he rear mounting position of this muffler ensures that it can be easily installed without any modifications to your vehicle's exhaust system. Products Description Features After installed this product, the pressure blowing out of your exhaust will make your vehicle sounds like a turbo vehicle with the turbo system or blow off valve. Made of high quality aluminum, light weight and durable. Easy to install on the car's tailpipe. Installation: 1. Loosen the bolt on the Turbo Sound Whistle. 2. Insert the the Turbo Sound Whistle into the tailpipe. 3. Tighten the bolt so as not to fall off while driving. Specifications Color: Black Material: Aluminum Alloy Notes: 1. Please make sure the tailpipe is big and long enough to contain the Turbo Sound Whistle. 2. Professional installation is highly recommended, products damaged through self-installation will not be refunded. 3. Please check and re-tighten the bolt regularly. Package includes: 1Set * XL size Black Turbo Sound Whistle