First I've ever heard of it, but it has definitely piqued my interest.

That said not surprising since this is my first tuning car.

This was one of the first production Nameless headers and the review date is very outdated. In defense to Mike Kojima, I think he is more of a suspension tuner and less of an engine tuner. And we havent really seen anything going on with this project so hopefully some works is getting done with said FRS....

What would be the best brand or type of octane booster? I saw some on amazon for like 7$ a bottle...

I've never used octane booster before but it seems like a pretty good product to use before some spirited driving :thumbsup:

Like sw20kosh said, Torco is best additive IMHO. Unless something new has come out in past couple years that is better (if so I haven't heard of it, though I wasn't messing with performance cars past coupla years due to "family" vehicle obligations). Torco is designed/bottled and marketed as fuel octane additive. It does work. However, most fuel additive is no good and barely raises octane if at all. I never use any other brands besides Torco.

There are "home made" brews you can do like Toluene... It is toxic (as is Torco) so don't breath it or get it on your skin. But if you add a gallon or two each fill up it can raise 93 octane up to 94-95.
[ame="http://en.wikipedia.org/wiki/Toluene"]Toluene - Wikipedia, the free encyclopedia[/ame]

If you add homemade brew like Toluene only add a gallon or two to each fill up.

Check out the owner's manual. Im pretty sure I read that you shouldnt use octane booster with mmt... could damage the engine.

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I not 2 stressed on the money I spent on bolt on's. It's gonna just breathe that much better when we go fi. I do care about longevity, but if it breaks or fails it will be an excuse to upgrade. If it means replacing a whole motor so be it. Everything I have seen is just giving me more reason to use e85.