It could probably be a weekend-ish project if you're more experienced than me (quite likely), have all the parts ready and won't spend time painting...
Truthfully, it is not budget friendly to try to even make it remotely fast. Really, you get what you get with your CFI performance. I have a lot into...
The factory dual exhaust was supposed to be good for 15 hp. Trying to make performance upgrades with CFI, you'll eventually run into the limitations...