DIY catch can? Anyone done one?

I'm waiting to hear back from norris on brackets and cost too. No reply. This rx popped up. They are 299 new typically. He said 180. We'll see what norris says.
 
Yeah, reading up on it and the mighty mouse, looked at upr too. Mighty mouse looks nice but pretty expensive.
 
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Why on earth would anyone use a $20 piece for a compressor when you can spend 120 and get an actual piece that is meant for that vaccum lol. Cant remember whose mine is, but its a billet can for a corvette. Its visible in the picture...but not because its black

here it is
PVC Oil Catch Can - Custom Product