ok, I bought a cheap wastegate from Just Intercoolers off ebay, 35mm, 8 PSI polished stainless steel. $67 with shipping brand new. got here today with no instructions. I have 2 1/8" NPT threadded fittings 1 on the top, and 1 on the side, what do I do with them? also there is like an exhaust doughnut that goes on the bottom by the valve, how do I use that with the bottom mount it bolts to? it came with all the hardware.