Intake differences? HF1 / HF2
01-30-2007, 08:42 AM
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Intake differences? HF1 / HF2
Just noticed that my friends 89 Si's intake is different than my 88 Si's intake. I also noticed that there is a stamp on the back of mine stating HF1 and his says HF2. So, what's the difference in them? Anything major?
TIA,
Mike
TIA,
Mike
