1970 Boss 429 air cleaner assembly is on Ebay for 11 thou

Why not by a repop and save 10 thou?

The same seller has Boss 429 valve covers for only 2000

Found on http://bangshift.com/bangshift1320/this-oem-1970-boss-429-mustang-air-cleaner-is-for-sale-on-ebay-for-11000-not-kidding/