so tyga doesn't do the bolt on manifold that the exhaust slips onto and are held on with springs?
As for the o-rings I mentioned, it's nice as the sealant is a mess and a half to deal with. the o-rings work, have no clean up and don't need any setup time.
I actually got tired of dealing with the sealant mess on my girl friends MC21 race bike (after my fourth NSR of my own), and cut grooves in her manifolds, and put o-rings on it. worked great.
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Charles Gallant