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Actually no it won't make more power, it may actually decrease it. The A.I.R. pump takes less than one (1) horsepower to turn. If the cat is starting to clog it can reduce power. For a cheap free up of power replace the stock exhaust from the cat back with 2.5" pipe and delete the muffler, it's a little louder, and adds a mild performance and mileage gain.
Don't do it. It's really bad for emissions. It's illegal to remove emissions equipment and will probably fail inspection. They check for it. And this gains you just about nothing!
