Fatty Pipe Expansion Chamber - For 1989 Yamaha YZ250/WR

For 1989 Yamaha YZ250/WR

• Head pipe material: Carbon steel, nickel plating
• Head pipe type: Fatty
• Material: Steel
• Type: Exhaust Header
• Weight: 5.2 lbs.

With well over 35 years of racing experience behind it, the Fatty Gold Series pipe delivers race proven performance. The Fatty broadens and smooths out the power curve while boosting gains throughout the entire power band, more low-end, more mid, and increased over-rev. No matter what type of riding you do, the Fatty has the benefits you're looking for.

• More tractable power, improved throttle control
• Provides power gains throughout entire power band
• FMF Racing's Tru-Flo stamping process ensures a perfect fit and optimum performance
• Can be used with FMF or stock silencer (unless noted)
• Our most popular 2-stroke pipe
• O-Rings Included