Internal mufflers are designed for straight stacks. The muffler slips into the bottom of the stack and bolts into place. A template and stainless steel hardware are included. Not designed for use with emission-equipped engines or stacks with a built-in reducer. Body length is 45". Fits 8" diameter dual stacks. Works on dual exhaust only. Aluminized steel. Sold individually.
* Two holes must be drilled into the stack to secure the insert.
