This last three inches of the cat pipe is what you lop off. The…

This last three inches of the cat pipe is what you lop off. The cat pipe has been fully 2 1/4inch I.D. all the way up to the muffler, NOW it necks down to 1 7/8 inch pea shooter size. Uh uh, cut it off.

Owner caption July 2013 · Photo 80 of 85