Various upgrade reveiws HELP ME

[splat11756]

i was wondering if i can get reveiws on the following:

And phase 2 valve
reactor valve
ss free flow valve

ALL FOR MAGS

thanks alot

[HoppysMag]

no internal ugrades actualy work. as in the
phase 2 valve
reactor valve

i donno whats a ss free flow valve is so il leave that for someone else

[Miscue]

They are all downgrades. Keep it stock.

[FooTemps]

ANS: Doesn't do much, gets more shootdown
reactor: I don't know
ss freeflow: I don't know
Retro: Only valve upgrade worth getting, you practically get a new gun with this upgrade
z-valve: I've heard some funky stuff about it, seems ok but I wouldn't risk it.