Does anyone just have HFC's?
#1
Does anyone just have HFC's?
I'm looking at a cobb tuning flash, and to get to stage II, you need some kind of mod (like HFC or exhaust). So..does anyone just have HFC's? Does it make a difference? I didn't know it was so restrictive.
The stage II flash on a G37 yields about 10% bump in HP according to cobb.
Mike S.
The stage II flash on a G37 yields about 10% bump in HP according to cobb.
Mike S.
#2
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