How much to replace complete exhaust unit?

Here's our estimator link, hope it's helpful: https://repairpal.com/estimator/toyota/camry I don't know the labor rate in your area but I can tell you that there are aftermarket exhaust parts available that are good quality and cheaper that dealer prices. Ask at an exhaust shop or a Toyota specialist for an estimate. If you want to find a Toyota specialist, here's our directory link for you: https://repairpal.com/toyota-repair-in-trenton-new-jersey