Fred It does not matter if you have one of the Chrysler New Yorker's, 300's or the Windsor of 1963 for any muffler shop on a regular city street will have the resonator to fit the tubing diametor. And, if you are an owner of one of the Imperial Divisions 1963 Custom or the Crown the same shop should be able to install a resonator to fit the tubing. >From the entry level Custom to the special order only Le Baron the NOS resonators have gone bye bye. Rodger & Gabby Colo Spgs '47 De Soto Custom w/Fluid Drive & passenger door mounted swamp cooler '62 Crown Coupe w/std A/C & Auto-Pilot '66 Le Baron w/dual A/C & reverbed AM/FM '70 Overlander - InterNational Dbl '77 D150 w/360, NP 4 Spd, 12 Bolt Axle, OEM Buckets & etc ----------------- http://www.imperialclub.com ----------------- This message was sent to you by the Imperial Mailing List. Please reply to mailing-list@xxxxxxxxxxxxxxxx and your response will be shared with everyone. Private messages (and attachments) for the Administrators should be sent to webmaster@xxxxxxxxxxxxxxxx To UN-SUBSCRIBE, go to http://imperialclub.com/unsubscribe.htm