Thread: 4-2-1 or 4-1 Header for a GSR
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Old Mar 12, 2005 | 11:55 AM
  #14  
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Snoopy
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Originally Posted by RDN
4-1 will not be carb legal, if you care about that. Not a good idea if you're in Cali.
what are you talking about? a regular dc 4-1 is carb legal. a jdm dc 4-1 is NOT carb legal.
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