- All pipes are personally track tested by Doug Dubach, a 26-year Yamaha test rider
- Dubach has more experience and places greater effort with track testing than any other exhaust company.
- Dubach racing career includes 4x Four-Stroke World Champion, 18x Vet Champion, 7x Loretta Lynn Champion and a
- Supercross Main Event win in San Jose, CA.
- DRD pipes are built to not only perform on the track but provide exceptional durability and reliability to exceed customer