phase 1/1.5 440s vs phase 2 440s
18 June 2013 | 08:10 AM
#1
phase 1/1.5 440s vs phase 2 440s
Is there a worth while difference in changing the 440 injectors in my v4 sti to newer phase2 440s with adapters? engine has 63k on it. in future an esl remap is gonna happen and will have 550s for that but just wanna know if the phase2 440s are better
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