I bought a good condition gen 2 berk downpipe from the person who sold me my mr2 funny enough. All I got was the down pipe. Nothing else. I just ordered a turbo outlet gasket, 3 prong berk exhuats gasket for the b pipe/aftermarket exhaust, berk down pipe bracket, and I made an O2 sensor gasket since they are discontinued. My question is, is this all I need? No nuts or bolts or studs? Do I just reuse to oem ones? And if I do need some hardware, where can I get it.