3-piece muffler ID reducer sleeve set

3-piece slip-fit sleeves is used to reduce the inner muffler diameter from 1-3/4" to 1-1/2" in 3 steps. This will enable installation of regular 1-3/4" diameter mufflers, for instance, onto 1-1/2" head pipes. Comes with 3 different sleeve thicknesses, allowing you to find the best possible fit. Fits: > exhaust