Hemi Exhaust Manifold New Design?

[HEMIMANN]

Misinformation and incompetence everywhere today.

Wasn't nearly this bad decades ago before electronic mesmerizing devices.

 

[HEMIMANN]

I'm wondering if this thing wasn't always noisy? I got it with 13,000 miles on it, 1 year old. Maybe the manifolds had already warped a fair amount by then?

I don't remember it ever being this quiet. It's amazing. A real contractor supe truck, now. Which is what I wanted.