Quote Originally Posted by 1439/2000
Dude Forge is pretty much the same as a 1st gen dsm except more expensive. The reason dsm's don't change to atmosphere with that or ANY piston type valve is because it will stutter. You'd need a blow through setup on most dsm to not run into any problems.

I have a crushed 1g bov that can hold at least 22 psi {tested on my car} sitting around since I got the HKS. Just pm me if you want it.
or an HKS VPC

and a good BOV can be recirculated
Greddy type s, r, rs
HKS SSQ
Blitz dual drive
Sard
Turbo XS type H
etc