Here is a video of the secondary BOV function. I throttled down slower a few times to show that it stays shut during normal driving. Every time it opens I'm completely letting off the throttle.
The Big Bubba Sleeper is pretty slick. If that would have been available at the time I bought my Procharger BPV I prob would have got the Bubba instead. Speaking of Turbosmart, if anyone wants to make a pre and post muffler BOV setup like I did, their BOV controller is the quality version of...
I searched in the past and couldn't find anything? You'll prob have to bite the bullet and get a BPV with a 2" outlet like a Vortech Mondo or Procharger Big Red Race and weld on the appropriate flange.
Here is an eBay link for the first one I used. It is quieter but flows less. If you have a small S/C pulley running a lot of boost this may not be the one for you.
https://www.ebay.com/itm/184381976380