Thread: OBX Headers?
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Old 08-17-2014   #169
Billy Mild
 
Join Date: Aug 2014
Location: Kansas City, MO
Posts: 835
Default Re: OBX Headers?
Quote:
Originally Posted by efnfast View Post
Had a Mark H chip, sent it back to be modified for exhaust work. Recently dyno'd again at 397 RWHP.
What kind of mods did you have?
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