Schumaker vs TTI Headers

I have 1-3/4 TTI headers on my 426 low deck, made 525 hp and 552 tq. TTI doesnt make a 1-7/8 primary tube A body B motor header. They fit well , i can get all the spark plugs from the top except for #6 has to be had from the bottom.

291nwie.jpg

2rrxmk0.jpg