NGK pfr6b's or NGK pfr7b's on sti?
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Joined: Jul 2007
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From: dundee
NGK pfr6b's or NGK pfr7b's on sti?
at the moment the car is standard but i will be getting it decatted soon,better fuel pump and a remap,
what spark plug should i get?
if the 7b's should i wait untill the other mods are done
what spark plug should i get?
if the 7b's should i wait untill the other mods are done
but when you remap, make sure you decat at the same time and not before because it can kill your engine dead 
