Zipwake Series S (Boats up to 50') Kit BoxesZipwake, the worlds first inexpensive Dynamic Trim Control System, incorporates a state of the art series of durable, fast acting interceptors, eliminating the well known trim problems of planing and semi planing boats between 20 60 feet. The system is fully automatic and significantly enhances performance, fuel economy, comfort, and safety when accelerating, turning, or running in a seaway. Kits with chine interceptors provide a unique means of