Adjustments can be done with engine off or running

and a heavy-duty fully adjustable mechanical advance unit

Heads come assembled with valves

Dimensions: 1

Trumpet universal straight muffler 18-1/2" long chrome Hastighetsmätare Adjustments can be done withDescription Universal muffler, 18 1 2" (47 cm) long. Muffler comes with an inside diameter of 1 3 4" (4. 4 cm) and outside diameter of 1 7 8" (4. 8cm) for use on 1 3 4" diameter headers. With header clamp: Yes. Slider channel equipped: No. Reducer sleeve: Yes. Mount strip: Yes. Outside diameter widest point: 2 3 4". Removable baffle: Yes. Note: Dimensions are mentioned for reference only. Fitment 1 3 4" diameter headers.