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Old 05-27-2007, 09:01 PM   #2
Eurosport94
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Join Date: Oct 2004
Location: Batavia, Illinois
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Re: more power for my 91

Nothing really. The 3.1 is pretty much a dog any way you look at it. You can add a free flowing aftermarket muffler like Flowmaster or something of that sort, but there isn't anything that will do ANY difference.
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2000 Pontiac Grand Prix GT coupe -- mine
2003 Pontiac Grand Prix SE sedan -- Dad's
1984 Chevrolet Monte Carlo SS -- Toy
2003 Chevrolet Venture LS -- Mom's
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