My equal length headers dont fit when i offer them up to the existing ones

There appears to be something missing, im not sure what but it looks like a big piece of pipework or something, they are not the same shape as the origonal ones!!!!

Im very confused !

 

Pics will help us

 

Could be difficult im at work
it's at the up pipe end do i need a flxi pipe or something?

 

what make of headers? and did they not come with or require a matching uppipe?

 

I had scooby sport equal headers fitted to mine, and they went on a treat.No problems at all.

You should have one main pice of pipe work, and then a small pipe about 1ft in lenght which has a flex centre to it.