The Factory Fatty 025271 exhaust is designed for riders seeking a blend of traditional “works” look and modern performance. Crafted with hand-pounded seams reminiscent of factory race pipes, the Fatty enhances overall engine performance by broadening and smoothing the power curve, yielding noticeable gains from low-end to over-rev. Constructed from premium gauge steel and engineered for optimal flow, this exhaust delivers reliable results for a range of off-road applications.

Features

• Constructed from lightweight 20 gauge steel for the main pipe
• 19 gauge steel utilised in the header portion for durability
• Hand-pounded seams ensure smooth flow transitions
• Includes O-rings on most models
• Broadens and smooths power delivery across the rev range
• Boosts low-end, midrange, and top-end power
• Excellent craftsmanship with quality materials
• Configuration: Single
• No carburettor warning
• Weight: 5.0 lbs

Specifications

• Item ID: 025271
• Type: Pipes
• Configuration: Single
• Weight: 5.0 lbs
• Construction: 20 gauge steel body, 19 gauge steel header
• O-rings included on most models

Vehicle Fitment

BETA

• 250RR (2020–2025)
• 300RR (2020–2025)
• 300RX (2021–2024)