With over 35 years of racing development, the FMF Racing Fatty 020135 Gold Series pipe is engineered to deliver class-leading power improvements across the entire rev range. By broadening and smoothing the power curve, the Fatty enhances throttle control and makes power more tractable, delivering noticeable gains at low-end, mid-range, and over-rev. Built from durable carbon steel with a nickel-plated finish, it is designed to withstand the toughest riding conditions and can be paired with either FMF or stock silencers for maximum versatility.

Features

• Expands and smooths the entire powerband for more responsive performance
• Improves throttle control and tractable power for all forms of riding
• Constructed from carbon steel with a corrosion-resistant nickel-plated finish
• Precision-engineered Tru-Flo stamping process ensures perfect fit and maximum output
• Compatible with both FMF and OEM silencers (unless otherwise noted)
• Includes O-rings for reliable sealing
• FMFÕs most popular 2-stroke exhaust pipe

Specifications

• Item ID: 020135
• Type: Pipes
• Carb Warning: No

Vehicle Fitment

Yamaha

• WR250 (1991Ð1993)
• YZ250 (1991Ð1992)