This is a really stupid question but I am confused as hell as to why my foxbody is so quiet. I have bbk longtubes, offroad h pipe, and original 40 series flows... I hear all these videos on YouTube of 40s sounding much much louder than my car. I also may mention that these mufflers have been on the car for at least 12 years according to the previous owner. Could they be rusted inside or carbon buildup?? I would expect my car to be much louder with my setup. Any ideas??