So my sidepipes need some help. Been on the road about 14 years but I don't think that the ceramic coating was the best quality. There is surface rust in the crevices where the 4 pipes meet the collector and any packing that the mufflers had is long gone. Years ago some guys would cut the pipes apart and weld in new mufflers. Flowmaster slimline mufflers were popular but apparently they are no longer available. Looking for advice - what are my options? If I can find the right mufflers I would rebuild them. Thanks in advance.