I think it makes alot of sense, I am designing one right now that will be hidden inside the originall regulator so no one will ever know. for the guys wanting to keep everything "stock " looking.

1965 chevy c-80 409 5-2 20000 original miles.
1965 chevy c-60 348 5-2 single axle tractor.
1952 chevy p/u 235 4 speed restored.
1965 chevy c-60 couch.
One grouchy wife. FOR SALE....CHEAP!!!!
The future is not what it used to be.....
Have a new pair of metric vise-grips and large metric hammer, can fix anything...