Design based on our Factory YZ team pipes. Titanium oval shell with a titanium inlet pipe and core. 4.5 lbs. lighter than stock. Offers improved power throughout the powerband: 25% increase in low-end horsepower, 20% increase in midrange horsepower and a whopping 5.5 peak horsepower gain.

*This accessory may be restricted to closed-course use. This accessory affects emissions; installation on EPA-regulated 2006 or later models constitutes unlawful tampering except when used solely for closed-course competition. This performance accessory does not meet California standards for off-road recreational vehicle usage.

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Manufactured By: Yamaha