I still have not purchased the smoke screen kit. After talking to Timber Ghost, it does not seem too difficult to make a similar system for way less money.
The main concern for me was the pre-heating element, but it is only copper tubing sandwiched between steel plates and attached to the catalytic convertor. I can easily make that.
Now to find the other parts.
"Only the strong survive. The weak are killed and eaten as fingerfood." SDI SSgt Patterson, USMC Platoon 1077