1 5/8 headers

I believe so, I’m going from memory and I don’t see the primary tube size listed. That’s why I ended up going with the B Body Hedmans.
With an automatic they fit good, don't hang low and the price is right.
With a little work ( very little) we mated up the 3" TTI exhaust system. did one with full 3" and one with 2.5" tail pipes.