I cant say enough about Gehman's Exhaust repair 123 Andrews Way, Mohnton, PA 19540 Phone: (717) 445-7343 I took my 80 there after battling a Bosal exhaust for 5 years,(didn't fit right, leaked) heck after I put it on I had to take it to an exhaust place just to get it alittle better than poorly fitted. 5 years late, take it to Gehmans and in less than half a day they saved the old cats created a new manifold back exhaust including a custom y-pipe all with 14 gauge steel for $330. Gary was up about 2 weeks ago and was impressed. They even installed all new 02 sensor bungs and tucked it up nice and tight. They apologized profusely for going over the $300 estimate by $30. Nice people nice place. They are inexpensive and good. Saw a 65 Mustang in the parking lot and an '83 Aries K wagon so they do it all!