Doug's D453-ss

DOUG'S HEADERS - D453-SS​

Doug's Headers D453-SS 304 Stainless Long Tube Header 68-74 Various Mopar 273-360 LA Motor 1 5/8" Primary 3" Collector

Anyone checked into these? Do they exist or is it a unicorn?
Summit Racing has them on sale, and then, if you can get a 10% off code, it lowers it even more.

AutoZone sells them, and they have a 20% off.

Both have free shipping.