Expansion chambers were developed to maximize power gains throughout the rpm range and provide improved throttle response as well as a broader, smoother power band all providing a more tractable power delivery. Features the GYTR stamp, hand-pounded seams, Available in a Raw or a nickel plated finish, plus all the materials and manufacturing techniques that make a true Race Spec pipe. Includes O-rings and is lighter than stock. Designed to be used with the GYTR 2-Stroke Exhaust Muffler (1P8-E47A0-T0).

Note: For closed-course competition only.

Fits:

• 2002 – 2016 YZ250
• 2016 YZ250X
• 2002 – 2016 YZ250
• 2016 YZ250X