Powerbuilt 940378 Medium Tailpipe Expander Set Medium Exhaust Pipe Expander Range: 1 1/2" To 2 7/16" For expanding exhaust pipes, rounding pipe ends, and removing exhaust clamp grooves. Use on 1-1/2-in to 2-7/16-in I.D. Exhaust pipe Meets or exceeds ANSI standards. Lifetime warranty. Heavy-duty steel construction allows for strength and durability Straightens out dents, bends in tailpipes and mufflers without damaging pipe or muffler Flare and expand the exhaust pipe so you can slide another pipe in