Dougs VS TTI Header Flanges

I was looking online at Dougs and it looks they the gaskets that come with their headers are shaped like the FelPro 1413 gaskets so I am thinking the Dougs would be a better match for my exhaust ports then the TTIs:

http://store.summitracing.com/partd...908078+4294908077+4294840100+115&autoview=sku