I have a 2019 Nissan Titan SV 5.6L and I am wanting to change either just the muffler on it or the whole exhaust system. I don't know which to do, I am trying to achieve a throatier sound from it than what I already have. I am not looking for something that I can't hear the radio playing while driving it but you know something a little beefier to it. What do you recommend in your past experiences with doing this? Do I change out the headers all the way back? Do I just need a different muffler system? Thanks for any help you can offer.