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I would go with Magnaflow, they are made in the USA as well as Gibson and Flowmaster. Dynomax is made overseas. Google is a useful tool to find those things out. Whatever you get, slap it on and lets hear a sound clip.
This is an odd thread. Most foreign exhausts are what rice burners are running. Magnaflow, Borla, Flowmaster, Dynomax, Bassani, Hooker, all american made.