I ran across a well-done YouTube video that walks you through many of the steps, up to the point where the SAIS valves have come out. It's on a Tundra, but it will give you some confidence in knowing some of the steps involved. Just skip over...
I gave up trying to bolt the valves to the the passenger side pipe and instead disconnected it from the exhaust manifold thru the wheel well (you'll have to remove the RF tire). Once you do that you can remove/reinstall the valves and the...