Would something this small really have much of an effect on emissions? I mean the total contents of the bag would fit in a good sized shot glass. NOX is usually the big issue with diesels. What kind of pellets would they use to reduce that?
Not 100% but the modern cat's have platinum and are worth $$$ as said above. Cat converters have been around since I believe late 60's or 70's. Depending on how old it is, who knows wtf it is. A cat nowadays is designed to increase exhaust temps for a more effecient burn. Back in the day, who knows...