Should I buy this 440?

TT5.9mag said
Where did the extra 65hp come from? Certainty not just from a passenger side manifold. Serious question.

Yeah, no idea. I'm just parroting from what info i've seen on different sites. Probably mostly emissions, exhaust, etc. Less "neutered" than the civilian 440s.

https://www.hemmings.com/stories/article/muscle-for-the-man-1978-plymouth-fury-a38-pursuit