I have a brand new DynoJet adjustable bypass/blowoff valve for sale that I did not use. I was going to use it for a project, but interests have changed. I don't have the filter that came with it for running it to atmosphere as I tossed it knowing I would never run a SxS VTA.
Details on the product can be found: UTV Blow Off Valve Kit
$110 $100 $85 $75 shipped, CONUS.
Details on the product can be found: UTV Blow Off Valve Kit