I have a pair of 1970 NOS dual exhaust tips for sale. These are the "long tube" service replacements with slant-cut, straight (not rolled) tips, service part number D0ZZ-5255-A. The exhaust tubes are 2 1/4" diameter. They are in really nice condition! The chrome finish on the tips isn't perfect, but it's typical of Ford quality for this part. $300 for the pair and I'll include US shipping. I can provide pictures if you're interested.