Well that’s because the stock intake manifolds are getting really really good on these newer hemis. But as I said earlier, all those mods (especially the headers) are great stepping stones if you wanted a blower later on. Here are the stock log manifolds

You would have to be crazy to think that switching to these aren’t helping you pick up a good bit of power

I have always read most people are getting an easy 30-40 hp from headers, way more then you would get from buying into the cold air intake nonsense.
I Bleed Ram Trucks