I like how it dresses up the engine compartment.
As far as noise is concerned, I did not notice any additional noise, but I also have an after market B2 Fabrications oval muffler and 5" Mopar Black tips, so the sound is muffled. I suspect that if I still had the factory exhaust on the truck I would have heard a little more deeper acceleration sound but not much.
As for the performance. I noticed that the hesitation on take off from a stand still was greatly improved due to the increased air flow to the intake throttle body.
When the truck gets up to speed, is when you notice the biggest difference due to the intake pressure being increased from the Ram Airflow design as you get more air through the front grill. (A poor man's turbo.)
I have seen claims of 30 HP gains, but I cannot verify those claims as I have not done a dyno on the truck but I will tell you I noticed a big smile on my face after installing...
I also noticed that the truck got about 1-2 MPG better when I stayed out of it.