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  1. General Camaro & Firebird Tech
    I have a 3.8L V6 Firebird i bought off a friend about 7 months ago he said the Check Engine light came on when he took off the muffler so when i got it didn't come with a muffler so i bought a used FlowMaster (came off a V8)and got it put on, When i first replaced the muffler the car drove fine...
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