please get some header advice 67 dart gt

hey thank you mopar friends for all the info.i went to autozone they cannot get the raw steel ones anymore but the black d453-b and the ceramics are available the black is $671.99 and ceramic is 900 . I was like my mopar friends mentioned 20% off sometimes she said cannot do cause dougs are special order.then she went into her computer and goes how about $540 out the door to try and match the 20% I was like order them.so thank you for all the advice/info will be my first set of dougs headers ive fought other brands through out the years.From what you all say and what i read about them and Abody mopars i should be really happy with them.i just want to say thank you.i will comment and try to post some pics when i get them.thank u thank u thanku and Mopar On