well i use to have a 85 Regal limited with the poky 3.8 n/a that i hopped up and did the whole interior in crushed velvet on all plastic trim and door panels. had Tv's and 4 JL w-6 15's in the trunk. 162 db, hey it was a show car. right now im in the 148db area with the monte and i kno it sounds...