It is designed to fit in your boat for quick easy installation. . For use above the waterline. 

383-1000216: 1-45 degree inlet, 3" Ports,  43.04" Length 

383-1000217: 2- straight inlet, 3" Ports,  39.50" Length 

383-1000265: 1-45 degree inlet, 4" Ports,  44.28" Length