Here's a Video of a 2 Stroke V8 Evinrude with tuned pipes
<iframe width="560" height="315" src="//www.youtube.com/embed/EmnsXTMLzCE" frameborder="0" allowfullscreen></iframe>
<iframe width="560" height="315" src="//www.youtube.com/embed/EmnsXTMLzCE" frameborder="0" allowfullscreen></iframe>