snorkel

i have a 98 1500 that i am wanting to put a snorkel on because i do hit large mud holes and puddles and would rather not pay to fix my engine. i know they do not make any for my truck but i am wondering if any one has built their own and how you built it. and pics would be great.

Im in the process of making a Snorkel for my 01 Ram.... Im using an old Intake Tube from a Dodge Dakota but i have a Pretty big hole on the side of the tube...... How would i Patch or Plug this hole?????/ I dont want to use somthing else cuz this has the perfect shape and sie for the snorkel i...