Thread: 3'' too big?
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Old 04-09-2008, 10:37 AM
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triathlonx13 triathlonx13 is offline
Ultimate Warrior
  
Join Date: Aug 2007
Location: NY
Posts: 2,300
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I've got 3" on my 68 GTO that has 400 to 425 hp..... I'm going back to 2.5". With 3"... their louder and take up some room... at my horse power - doesn't do anything. I say a good 2.5" system with an X or H cross over.

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