Thread: Best ways to make your exhaust loud and still legal?

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  1. #1 Re: Takes Long To Start Up 
    GT Level Member GrandPriest24's Avatar
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    okay sorry well 2002 pontiac grand prix se 3.1L engine has new flowmaster mufflers and catalytic converter
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  2. #2 Re: Takes Long To Start Up 
    GT Level Member GrandPriest24's Avatar
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    also it takes more cranks for it to finally start up maybe 2 to 3 more cranks then usual
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