This is the Dubro 6 exhaust extension stock. Custom make your own muffler extension. This will fit most engines .29 to .80 and most mufflers. This stock can be cut, drilled, tapped, and welded. Comes 1 per package.
Top and Bottom thickness: 1/16
Thickness at sides: 9/32
Note: This does not include mounting hardware. This extension is not drilled for mounting bolts.