Welcome to my store, Wish you have a great shopping experience here. We will keep updating new products, and there is definitely one for you. " Easy-fitting on the vehicle muffer, it reproduces the sound of a turbo engine car. Made of high quality aluminum material. Easy to install. Type: Turbo Sound Whistle Material: Aluminum Size Details: [Our Size S]: Tail Pipe Diameter: 32mm - 43mm/1.26" - 1.69", Displacement: 1000-1600cc (Approx.) [Our Size M]: Tail Pipe Diameter: 37mm - 48mm/1.46" - 1.89", Displacement: 1600-2000cc (Approx.) [Our Size L]: Tail Pipe Diameter: 44mm - 55mm/1.73" - 2.17", Displacement: 2000-2400cc (Approx.) [Our Size XL]: Tail Pipe Diameter: 56mm - 85mm/2.20" - 3.35", Displacement: >2400cc (Approx.) Caliber: 1.7cm/0.67" (Approx.) Notes: You will find more amazing products if you visit our store. We guarantee the lowest price and the highest quality for all of our products! Universal fits for most cars with a straight OEM muffler exhaust, doesn't fit the elbow muffer. Due to differences in lighting and screen settings, the color of the project may be slightly different from the picture. Due to different manual measurements,allow for slight size differences. Package including: 1 x Turbo Sound Whistle 2 x Accessories