Eek, this is not very good. Points for the sound's initial quality, but 8,000 RPMs sounds like 2,000 RPMs, and the only way you can tell if your engine is being given throttle is the ascent in revs and the fact your flooring it...
Outdated Flat 6 Sound for the SBR-4 1.0
Flat 6? Yep, straight out of a Porsche.