6296: Enhance your vehicle's exhaust sound with this turbo sound whistle. The pressure from your exhaust system creates a turbo-like sound, simulating the effect of a turbocharger or blow-off valve. Constructed from high-quality aluminum, the whistle is lightweight and durable. Easy to install on most vehicle tailpipes in under 2 minutes. Designed to fit tailpipe diameters ranging from 32mm to 85mm. Note: This turbo sound whistle is not suitable for severely curved tailpipes. Ensure the tailpipe is sufficiently straight and long enough to accommodate the device. Type: Car Turbo Sound Device Material: Aluminum alloy Quantity: 1 piece Color: Red, Gold, Silver, Black S size fits exhaust pipe diameter 32-43mm M size fits exhaust pipe diameter 37-48mm X size fits exhaust pipe diameter 44-55mm XL size fits exhaust pipe diameter 56-85mm Installation: 1. Loosen the screw on the turbo sound whistle. 2. Insert the whistle into the exhaust muffler with the larger end facing inward. 3. Tighten the screw securely to prevent dislodging during driving. 4. Professional installation is recommended. Damage caused by improper installation is not covered by warranty. Package includes: 1 x Turbo Sound Whistle Note: Color may vary slightly due to monitor resolution differences. Slight measurement variations may occur due to manual measuring. Size: S, M, L, XL