m size blow off valve noise turbo sound whistle simulator muffler tip car accessories exhaust pipe sound whistle

on the premise of proper installation size, try to choose a larger size. it is a few pieces of sound simulator, technically it is impossible to imitate the real one, only that. then compare with the size in the picture below to see which one fits your car; and this whistle sounds likewe play daily after all, it is a few pieces of sound simulator regarding size selection: /please first/please measure the inner diameter of the exhaust pipe of your car, the measured length of the product is only the length of the whistle, not the length of the fixing frame..syi