ARH vs Kooks tube length.
As far as which one is better or worse, may depend as much as to what day of the week it is. Neither is cheap , nor a bad choice.
May personally slightly hint toward ARH.
You're not the first to ask.https://ls1tech.com/forums/generatio...g-headers.html
In either you need to pick from 1 3/4 or 1 7/8"size.






