I would've thought it would be down 10-15hp. It makes me wonder how that engine would respond to a smaller primary tube header.
I thought about that also.. but with the amount of
dents(how much they banged it in) I dont think it
would have mattered.. with the smaller tubes it
might have been lower across the whole run... I had
to put a small radius dent in my right side header
on my Rampage when I moved the engine to the right
by 1".. was just a small dent and I made it a soft
radius.. I built the headers and had them coated
before I moved the engine (1 tube).. so after seeing
that I am no longer worried about it
