• Manifold routing optimally adapted to the production engine
• Silencer housing made of high-grade titanium
• Complies with current FIM noise regulations
• Complies with current AMA noise regulations
• Stainless steel header
• More usable speed range
• Better power delivery
• Improved handling overall due to finer dosing capacity on the throttle grip
• Sensitive response
• Rich sound
• Increased tightening torque
• Increased performance

For 500cc models with special motor mapping

APPROVALS : AMA Amateur Racing Sound Compliant

FIM Pro Racing Sound Compliant

Closed Course Competition Use Only  

MATERIAL  :  Stainless steel,  Titanium  

MAPPING  :  Mapping  

FACTORY RACING  :  USED BY FACTORY RACING  

FITMENT

• KTM 450 XCF-W 2024
• KTM 500 EXC-F 2025

PROPOSITION 65

⚠️WARNING

This product can expose you to chemicals known to the State of California to cause Cancer or birth defects and reproductive harm. For more information go to: https://oehha.ca.gov/proposition-65