Recommendations for good "A" street header

Don't know if header technology has changed since I was a young buck. I've had 2 set of headers on my '72s...Kustoms (R.I.P) and Doug Thorleys. IIRC neither set required any denting or manipulation to fit. One set (can't recall which) had the left front tube as a slip-on removable piece to go around the steering shaft, which had solidly rust-welded itself together by the time I had to remove them and required a zip wheel to cut it apart. I strongly dislike the idea of having to pound dents in ceramic coated pipes to fit, as that's where the peeling and flaking will most likely begin.