Those Dyno Guys speed shop services will take your motorcycles performance to the next level.
Dyno tuning, custom head work, full installation and break-in of performance packages will ensure your bike performs as it is meant to. Unleash the power of your motor with Those Dyno Guys.
*$5.00 youth Those Dyno Guys t-shirt with purchase!
The engine sounds start as soon as the wheels turn, so the sound changes as your speed does! What’s more is that it doens't require any batteries to make it work, it's' 100% pedal powered.
Each Bicycle Exhaust System comes with 3 Motocards which are tuneable for up to 6 different sounds. The sound travels up the exhaust pipe and gets even louder!!
The Original Bicycle Exhaust System is designed to fit to one side of 95% of bicycles. Approximately ages 6+, wheels of 16" of greater.