IBS install

So we've taken our 09 LSV out a couple times with the new 900# rears and just can't seem to get the length out of the wave like we want so....looking at IBS. I plan on just daisy chaining my factory center to an IBS bag but wanted to know if this bag is a good option?
I am not installing a valve b/c the ony time we use the center bag (for now) is when we are surfing

[URL="http://www.wakemakers.com/straight-line-sumo-open-bow-bag-500.html"]http://www.wakemakers.com/straight-line-sumo-open-bow-bag-500.html[/

That should work. I started a thread for doing a thru hull for an IBS. Ran new pump, and everything, loving it. I use 800 in the rears and noticed I had to have the non surf side empty with the other three bags full to really dial it in.

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