alright took some quick pictures... oh yeah BTW the pics suck but w/e lol im no photographer. here they are. **to bolt up to recirculating hose or w/e you use stock bolts. hope the pics help.

box-bov-bolts-instructions...


atmospheric vent...


recirculating vent...


(blury) it says GFB Stealth FX and the arrows are for adjusting the spring...


lol that is US Patent # 6,722,128 b1...

and another view...