I saw it mentioned over in the 6.7 forum, seems like the majority of users liked it from what I remember. Cool concept but I've always been fine crawling under with a wrench, but until my warranty's up, my dealer's going to be doing my oil changes.
Which reminds me, I need to get it in the dealer, have an oil leak between the motor/trans...
Not sure yet. I've been swamped at work and am travelling the next couple of weeks (for work) so I haven't had a chance to get it to the dealer. Oil level is good, but there's something going on there.
I don't have the 6.2 but I use the valve on my 6.4 and I find it helpful on oil changes. The N version has a short nipple that sticks out which would allow you to attach a hose so you could direct the flow, I don't see the need for that but if you need to attach a hose that is the one you would need