nordic95

Heys guys I have a really crazy question,maybe some one can help me on this.Today I was checking out my brothers new boat.He picked up a 2006 Christ Craft Launch with a bravo 2 and 350 Mag with the Horrizon option.Why do these motors have the stardard water pick up at the drive and also a 1-1/4" through hull water pick up.They look like they are tee'd under the engine before the sea pump but I cant see how or why there would be two pick ups?

Thanks Nordic95