Summit Sale on Doug Headers

I just checked AutoZone is offering Doug's 453 Ceramic at $799 with 20% off, free shipping.
I don't know if that good or bad, I didn't compare
Just fyi.
I know others Jegs etc price match, so grind away.
Cheers
https://www.autozone.com/exhaust/exhaust-header/p/dougs-exhaust-header-d453/438122_0_0