Supercharger Exhaust Fake Turbo Muffler Blow Off Valve, Whistle Pipe Sound. Features: Made of Light Weight Aluminum Muffler Tip for Best Effect. Install on Aftermarket Muffler, Catback, Axleback Muffler It Will Not Produce Any Sound. Easy Installation and Use. Universal Fits for Most Cars, Doesn't Fit the Elbow Muffler. Specifications: Material: Aluminum Quantity: 1 Pc Color: Black Size Details [Our Size S] Fits Car Tail Pipe Diameter: 32mm - 43mm/1.26" - 1.69", Displacement: 1000-1600cc (Approx.) [Our Size M] Fits Car Tail Pipe Diameter: 37mm - 48mm/1.46" - 1.89", Displacement: 1600-2000cc (Approx.) [Our Size L] Fits Car Tail Pipe Diameter: 44mm - 55mm/1.73" - 2.17", Displacement: 2000-2400cc (Approx.) [Our Size XL] Fits Car Tail Pipe Diameter: 56mm - 85mm/2.20" - 3.35", Displacement: 2400andcc (Approx.) Item Height: 8.5cm Item Length: 8.5cm Material Type: Aluminum Item Weight: 0.13kg Item Width: 5.6cm Turbo Sound Simulator Whistle . We are an international based seller that will ship your order from abroad, please at least a minimum 14 working days for delivery right now due to the ongoing delays in shipments globally. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.