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Re: thunderbird sc exhaust
I would get a high flow cat to stay legal, and up grade the exhaust size a half inch bigger then stock and yes put a Magnaflow muffler on there, and if it's too loud for your liking or legal wise, just put another muffler on there to quit it down more, or even a resonator, but I personally would go with another muffler before a resonator.
awesome car though, got any pics?
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