Exhaust Pipe Oversized Speaker Refitted With Turbine Whistle 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: 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 High-Performance Turbo Sound: Transform your car's exhaust system with this oversized speaker refitted turbine whistle, designed to produce a loud, high-pitched turbo sound. Whether you drive a car, truck, or motorcycle, this whistle delivers an authentic turbo-like noise that mimics high-performance engines. Universal Fit for All Vehicles: This turbine whistle is designed to fit a wide range of vehicles, including cars, trucks, and motorcycles. Its adjustable installation feature allows it to fit most exhaust pipes with ease, providing a customizable sound for any ride. Easy Installation with No Modifications: The exhaust whistle can be installed in just minutes without any need for drilling or professional help. Simply attach it to your exhaust pipe using the included hardware, and enjoy the loud and powerful turbo sound instantly. Durable and Weather-Resistant: Made from high-quality stainless steel, this whistle is built to withstand the heat, pressure, and weather conditions typically found in automotive environments. It’s rust-resistant and can last for years of use without degradation. Perfect for Car Enthusiasts and Custom Modifiers: Whether you're looking to enhance your car’s performance or simply want to add a unique sound to your ride, this turbine whistle is an excellent choice for car enthusiasts. It’s a perfect way to personalize your vehicle and stand out on the road.