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.

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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