Hi 3B, my muffler is a 6 1/2" diameter cylinder, 21 1/2" long. the inlet is on the top(of the end) of the muffler with the out being on the bottom of the back end. the pipe appears to be about 1 3/4" inch OD. I looked on Napa's site and couldn't find(didn't see) a match. Thanks. Jerry.
