Not sure which 2004 Dodge Ram Intake Manifolds are right for you? We have over 11133 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Frank W from Emerald Isle, NC said, "Easy installation, Good looking and 1.2 MPG increase. I was surprised that the engine sounds a whole lot quieter than before the installation. Great product that does what it is said to do and more."