To achieve maximum horsepower, you need to have maximum airflow to the engine. The next generation of Rage Cage features an intelligent, multi-stage reed petal system that times itself to the needs of the engine, resulting in optimum flow velocity across the entire RPM range and all throttle settings. Each Rage Cage is tailor-made for a specific model, year and displacement; just bolt it on and watch your hp numbers climb!
Cost: Varies per model
More info: www.boyesen.com