I added an IBS to my LSV this week and tried it out today. It works great. The lake was crazy rough, but I could tell for sure it lengthened the wave for surfing. I'm looking forward to trying it on the calm river this week with the wakeboard and surfing.

I have the reversible pumps so I tied the IBS into the vent line from the center bag and replaced the 3/4 drain with 1 inch hose. I also added check valves all around. System filled and drained great. Thanks for the advice Mike and Drew.