Three-piece set gives any 1 3/4" ID muffler a perfect fit over three sizes of pipes. Reduces 1 3/4" ID to three sizes: 1 5/8", 1 1/2" or 1 3/8".

• Three-piece set gives any 1-3/4" ID muffler a perfect fit over three sizes of pipes
• Reduces 1-3/4" ID to three sizes; 1-5/8", 1-1/2" or 1-3/8"