[Kolpap]

If you trace the air box to the intake manifold, you will see a smaller tube that splices off to the left and around the engine to the back, and then there will be a large round black apparatus. That's the sound generator and it makes the engine sound as follows:

VrruuurrruummmrrRRRRRRRBLAAAAAAAAARRRRROBNOXIOUSRRRRRRRRRRRRrrrrrrsoundsgoodagainrrrrr. Very annoying at highway speeds because all you hear is BLARRRRRRRRRRRRRRRRRRRRRRRRRRRR.