A modified 2012 Suzuki Hayabusa sports motorcycle (1,340cc, 4 stroke, 4 cylinder, with aftermarket Two Brothers Racing dual exhausts sports bike). External = Sounds recorded from outside of the vehicle (passbys, etc) OnBoard = Recording perspectives on and in the vehicle Ramp = is when vehicle is using a single gear (typically 1st gear) and smoothly driven from idle up the RPM redline, then engine brake back to idle. Ramps are often used in video game software. *Files labeled PART are from a Complete Recording of the vehicle's performance sound.