Cam, exhaust tube lengths (someone finally caught this) and intake will all contribute. Our trucks intakes flow better at low revs, but don't have a large cam. The 'Stangs don't flow as well at low revs, and have more cam to help fill the cylinders.

One on the gas the 'Stang is simply putting more mixture into the chambers due to the cam, hence a bigger bang and a different tone.

As some noted most Mustang systems slightly turn down, and keep in mind even if they don't they exit much closer to the ground than our trucks do. Even if the sound was exact the Mustang would reflect sound waves off the ground more, and sound a bit throatier.


I don't go nuts about the sound but overall like the Gibson. Similar to the Magna but maybe just a little quieter under heavy throttle. Good idle and just enough tone cruising to let you know it's there.

 

Beastie,

I'm curious about the comment you made about your truck having two mufflers. You said your exhaust couldn't be as loud since you have two mufflers. But I also noticed that you mentioned having true dual exhaust. So does this mean that you have 4 mufflers total? If this is the case, why did you decide upon this setup? However, if you only have 2 mufflers total, then your truck's exhaust should be louder than a regular single exhaust setup since you've essentially got two single exhaust systems resonating at roughly the same frequency, which should effectively increase the exhaust decibal level. I only wish I was lucky enough to live in a state that allowed me to change my single exhaust setup to true duals.

 

No I only have 2 mufflers, but as I look at it,My truck regarless if it has a single exhaust setup or a true dual setup, the same amount of exhuast gases are exiting through it. Before all these gases were going through 1 muffler, now they are going through 2. Just like a silencer on a gun, If you have one that is 4" long, it will not be as loud, but if you have one that is 8" long, it will be alot quieter. This is just how I look at it.

 

Maybe. I'm not an expert or anything, but even if you were to stick with a single exhaust setup, like me, but you were to put wider exhaust piping which also doesn't change the volume of exhaust gases, it still makes for a much louder exhaust system. Even just changing mufflers makes for a louder exhaust system. So I don't think it's manditory to increase the total volume (space occupied) of exhaust gases in order to increase the volume (decibal level) of your exhaust system. Even though you have two mufflers, each muffler is only muffling half of your total exhaust, whereas a single muffler muffles all of the exhaust gas. So each exhaust gas molecule is still only going through a muffler one time, be it the one on the right or the one on the left. So I guess that's another way of looking at it. Any ways, I think that a true dual exhaust system is ideal for obtaining the loudest/meanest exhuast tone possible, and especially getting the most power out of your exhaust. So I am just saying that I think you are lucky to have that, as it is not legal in my state to change over. The meanest sounding cars and trucks I hear are the ones with true duals, and I have never seen a true dual setup where only one pipe has a muffler and the other doesn't.