The step is an independant mold and a each boat has the opportunity to have the step changed for each particular boat. If we have a loaded (heavy) cabin we can move the step forward and make it longer to balance the boat. If we have a 700 boat running 100+ mph we make the step shorter which changes the way the water hits the running surface in front of the transom.
Keep in mind we've been using this design for better than 10 years now and really understand how it works and what we can do to adjust it to make each boat run her very best.
That's what gives you this: