Factory Fatty Steel Exhaust Neck

• Resembles a racing "works" or cone exhaust with quality characteristics in construction and materials.
• Broadens and smooths the power curve for increased performance across the entire RPM range:
• More low-end torque.
• More mid-range power.
• Enhanced over-rev.
• Lighter 20 gauge steel for the exhaust body.
• 19 gauge steel for the neck (header) section.
• Hand-formed welds for smooth flow transitions.
• Includes O-rings.

Note: It does not comply with FIM noise regulation 2025.