Dynamic engine brake competition for the Wheel Jam 2015, in Huron, SD. It has plenty of loud Jake Brake sounds coming from them BIG RIG'S straight pipes.
****Winners***** (Out of 35 semi's that entered this year)
1st place got $300 plus a trophy,
2nd place got $200 plus a trophy,
3rd place got $75.
4th place got $50.
http://www.wheeljamtruckshow.com/
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