360k+ wrote on 06/07/12 at 20:11:01:I just searched for "muffler" and read thru all the threads. I saw the following sizes listed 1 5/8, 1 3/4, and 2 inches. Does someone have a REAL definitive pipe size for fitting to a new muffler, or do I need to remove it and measure?
The definitive answer is none of the above. I believe it is metric. It is very close to 1 11/16OD of the header pipe. I used a 1 3/4ID muffler with a tin can spacer/gasket thing.