Nobody can answer this question except for yourself. If you are okay with a max of 24hp in gains for about $450-$550 then its worth it! If you are hesitant to spend that kind of money, then its probably not worth it to you.
Seriously though, I think its worth it. I mean, I spend $100 at the bar on a Saturday night anyway, all I have to do is stop drinking for a couple of months and I just bought myself years of fun.
The 24hp is assuming you have a CAI, and Exhaust and go stage 2. I dont know about buying myself exhaust just yet, so I may just get Stage 1+ for myself. Not sure yet.