Don't want to massacre those tires, well you can still wreak havoc in the XForce Exhaust Sound Off to see if you have the loudest exhaust at the track. The best part, it's free to enter and it takes place Saturday night in the XForce Coliseum.

The XForce Exhaust Sound Off is simple, vehicles will be given 30-seconds to rev their engines as loud as possible inside the XForce Coliseum to determine who has the loudest exhaust system at this year's HyperFEST presented by Grassroots Motorsports. Enter for a chance to win a $200 gift certificate towards a XForce Exhaust in front of a huge crowd and show you have the loudest exhaust in town. 


  • Participants must be at least 18 years old and have a valid driver's license.

  • All vehicles must have four (4) wheels.

  • Cars must pass a basic technical inspection for safety.


  • Participants will pull into the designated spot

  • Participants will have 30-seconds to rev off the best sound they can

  • Judging is done based on the crowd's reaction

  • Winner will receive a $200 gift certificate towards a XForce Exhaust