Thread: OBX Longtube Headers
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Old 04-17-2012, 10:05 PM   #113
matt55

 
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Drives: CTS-V
Join Date: Aug 2008
Location: Raleigh NC
Posts: 1,069
Mine are smoothed with header flange.
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10.8@130.8 610 whp, CAI, 2.5, E85, id850 on street tires.
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