^ lol you need to check out their site cause there are some questions you would have had answered. They do NOT claim to increase (or have any significant change) power in nitro 2-stroke engines. The benefits according them are smoother idling and a strong transition between idle and low end snap when the throttle is pulled- so no bogging according to them. 4-strokes is where its at for forced induction, possibilities are out there to make almost twice the horsepower over stock.