has to be at least 8-9 years old and given PA winters and road salt rust is a factor. The exhaust system should be no trouble just do not expect OEM it is too pricey and Too hard too get. OEM Cat will take 8-9 months but a good muffler shop (and I do not mean Midas) can fab it for you haaave them check it out and give an estimate. As far as buying it needing work depends on the price. Find real book value and subtract twice what the repairs are going to cost you. Twice so you are compensated for your time and loss of use during repair.