Does the VAFC2 give good gains? I used to have a VAFC on a prelude and it seemed to give me only headaches. I didn't feel any sort of gains, it was just a cool toy.

 

This is debatable, but with proper tuning you can squeeze some gains out, the ver 2 gives you a more precise ability to tune than the older ver 1.

As being worth it, that's a judgement call on your part and can depend on your mods.

 

If you are 3ngin33r1 then it does worth it, if you are me, it does not.

 

Actually, mines flatlined, no adjustments set. It will be going away entirely in a few weeks.