Not to rant or anything, but I just don't get aftermarket BOV that dump to atmoshphere without at least allowing the owner to decide how much they can recirculate. I mean, there is a reason it's called a "recirc valve". Sound like your friend has a 100% BOV, with IMHO, is not the right equipment for the car. Ok..off my soapbox. To respond, he should just plug the now useless recirc hose.