DescriptionApplicable models: general models Product name: turbo whistle, product net weight: S: 0.070KG, M: 0.080KG, L: 0.107KG, XL: 0.135KG, product material: aluminum alloyThis car accessory is easy to install and does not require any installation skills. Parts list: 1*turbo whistle L1*wrench 1*thimbleThis type of exhaust valve is suitable for most vehicles, and can be used for cars and motorcycles. It is an ideal accessory for modified vehicles. The size of the sound is different with different specifications. The larger the number, the louder the sound. It is best to confirm the inner diameter of the exhaust port before purchasing. If the diameter of the whistle is greater than or equal to the inner diameter of the exhaust pipe after adding 1cm, it will not be installed.