I have for sale a set of brand new Accurate LTD stainless steel exhaust tips part #EP9B-S. These are the 2.25" versions. More info here: A-Body Stainless Tips 68-69 Barracuda /'70 Dart Swinger (Pair)
They sell for $114 plus shipping ($20+) from Accurate. I'll take $110 shipped in the 48.