Ken,
The ID of the extension tube is close in diameter to matching the exhaust tube on the muffler. I made a couple of 1 inch long cuts in the end that goes on the muffler before clamping it on. That worked out just fine.
The ID of the extension tube is close in diameter to matching the exhaust tube on the muffler. I made a couple of 1 inch long cuts in the end that goes on the muffler before clamping it on. That worked out just fine.