Developed through hours of track and dyno testing to produce the best exhaust system for the all new YZ250F.
- An aluminium muffler shell, stainless steel tubing, cone-style end cap and is completely rebuildable
- We have also added a PHD Chamber (also known as a Resonance Chamber) in the middle section of the header pipe
- This helps to reduce noise levels and it also improves bottom end power
- Meets the MA race 94DB noise regulations
Composition: Aluminium/Stainless Steel