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Recent content by PGP1999

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    Exhaust Pipe Size

    1999 Pontiac Grand Prix SE - 3.1L I am wanting to buy a cheap universal muffler for my car as the factory muffler has just about rusted off. What size should the inlet side of the aftermarket muffler be which would allow the stock exhaust pipe to fit into the inlet side of the muffler? I plan...
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    1999 Cat Removal

    I have a 1999 Grand Prix with 3.1L. Recently the flange after the catalytic converter rusted through and disconnected the exhaust pipe from the cat. I want to know if I can remove the catalytic converter completely and replace it with just a piece of straight pipe. Will the car run okay...
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