Good sounding mods

Hey guys whats up? I got a ? for ya. I own a 4 cylinder Mx6 and im looking for the best mods to make my car sound intimidating. im goin to look around for a muffler but does anyone know a good sounding muffler or neone that makes good ones. And what else can i buy that would accent the sound?

buy a intake no major brands make intake for the 2.0 model so i got one from ebay its not the greatest quality but it werks