Have 2 overflow boxes.....
one is a brand new Tunze (pics, pricing and description on their web site is good)....want $65...includes box, tubes, cover and extra tubes if you like..
second is a cpr (I think), dual tube, black overflow chamber, has been repaired, just needs 2 bulkheads and it's ready to go....want $45...in fact, I just looked at it and I have one homemade bulkhead/silencer tube you can have with it...
Thanks,
Grunfeld in Detroit