I have that same kayak. I purchased the scupper plugs from them. They are plastic plugs that fit in the holes that go thru the bottom of the kayak. Without them you will get some water in the kayak and get you backside wet. Thats the only extra attachment we got. Deluxe seats came with it. You can get hatches put in the hull but we did not need them. Go to this link for more info:
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I have that same kayak. I purchased the scupper plugs from them. They are plastic plugs that fit in the holes that go thru the bottom of the kayak. Without them you will get some water in the kayak and get you backside wet. Thats the only extra attachment we got. Deluxe seats came with it. You can get hatches put in the hull but we did not need them. Go to this link for more info: