How To Build A Boost Controller for $20!

There’s no better feeling in the world than raising the boost. Well, due to recent events maybe I shouldn’t be so sure, but that’s beside the point. This manual boost controller is really easy to make with simple tools and cheap parts from the hardware store, but be really careful whenever you’re raising the boost on any car. Do your research, know the limits of your build, add the right supporting modifications, and make small changes.