i saw this on LS1tech and thought it was pretty cool. if your thinking about a new bottle or valve anyway it's a great way to save a few bucks. i need a new valve anyway because mine is super old and doesn't fit my blow down tube.


http://ls1tech.com/forums/nitrous-ox...e-program.html

from the thread:
"In an effort to remove old out of date and damaged bottles from circulation, Nitrous Outlet is starting a nitrous bottle trade in program. We will be offering a $100 dollar credit for 10lb bottles and $125 credit on 15lb bottles. The credit will be applied to Nitrous Outlet bottles with our new billet .395" orifice high flow valve. This offer is valid for any brand nitrous bottle that you are wanting to trade in. Contact me if you have any questions!"