Haven't you ever asked yourself why a 90-93 Q can still pass emissions at 350,000 miles and other brands have a hard time lasting 150k...............4 times the minimum of platnium , palladium , and a few pinches of rhodium.
Ever wonder why the 94-96 is less robust and melts precats.
The 2002-06 V6 are failing very early just after 80k warranty] all about using the thinnest least expensive dusting now.
http://www.as-sl.com/eng/pdf/c...o.pdf
"It is reckoned that scrapping one million such "cats" would yield 40,000 ounces of platinum (which works out at 40,000 x 31.10 g/Troy ounce = 1.244 tonnes or 1.244 g per cat, as an average). It is thought that the worldwide "scrap-platinum" market might eventually provide 1 million Troy ounces per year, or 31.1 tonnes; meanwhile, those unwilling to wait have resorted to stealing cats, which we can reckon to be worth $82 each. ..................since the devices are quite easily stolen from parked cars (if you know where and how) this is now an increasing phenomenon."
The early Q main cats had ~~4 grams of platnium each if you could recover 100% that would be $245 less physical chemistry and time cost.
Modern cats [post 2001] might have $60 worth and have a gram at mostToday platmium is worth 5 times what it was on 1994 -1999'
Much like CA, NV, AZ houses until the crash.