50-State compliant. Exempt per CARB Executive Order (E.O.) #K-010-19 for all 19-21 Royal Enfield 650 Twin models.

• Shed 28 pounds while improving performance and sound
• 12% increase in peak hp and 7% increase in torque (when combined with S&S high flow air filter)
• Satisfying, deep performance sound
• SAE J2825 Sound Level Compliant (with insert in or out)
• All hardware included
• Made in U.S.A.