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Muffler CFM, how much?

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Old 03-11-2008, 03:25 PM
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Default Muffler CFM, how much?

99 ls1 w/ full bolt on's, lt's, soon to be Z06 intake. Have flowmaster 80 series a need a higher flowing/ bettter sounding muffler. Will I be fine with a pypes catback @ 705 cfm, or should I go to the dynomax route about 1100 CFM. These are the only two catbacks I can find that have a 3"inlet/ dual 3" outlet (same as my 80 series) I dont want to have to buy adapters/ or new nips thanks for your input!



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