Features: This product is suitable for all automobile models and brands. Made of aluminum, light weight and. installed this product, the pressure blowing out of your exhaust will make your vehicle sounds like a turbo vehicle with the turbo system. Loosen the bolt on the Turbo Sound Whistle. Insert the the Turbo Sound Whistle into the tailpipe. Tighten the bolt so as not to fall off while driving. Product Description: Normally: S is suitable for 1.0-1.6 displacement, and the diameter of exhaust pipe is 32-43mm M is suitable for 1.6-2.0 displacement, and the diameter of exhaust pipe is 37-48 mm L is suitable for 2.0-2.4 displacement, and the diameter of exhaust pipe is 44-55mm XL size is suitable for displacement above 2.4, and the diameter of exhaust pipe is 56-85mm Package includes: 1*Exhaust Pipe Oversized Sound Maker Crafted from premium materials for exceptional durability, ensuring long-lasting performance even with frequent use. Comfortable and pleasant to use experience, that provides a warm and inviting experience for everyday enjoyment. Versatile design suited for various applications, adapting effortlessly to your lifestyle and preferences. Stylish and elegant appearance that enhances the aesthetic of any space, contributing to a cozy and appealing ambiance. Affordable yet high-quality, making it an ideal choice for thoughtful gifts to friends and loved ones.