Dogfight Racing DFR Chamber – NSR250R (1990–1998)

Forged through testing. Proven in motion.

The Dogfight Racing DFR chamber is developed from race data and real-world riding, refined through repeated testing on both circuit and street.

Built to extract more from the NSR250R, it delivers stronger mid-range drive and extended over-rev—unlocking usable performance across the entire rev range.

Fitment
• NSR250R (1990–1998)

Construction
• Stainless steel chamber body
• Carbon silencer
• Aluminium flanges
• Corrosion-resistant hardware

Details
• Exhaust volume: 92 dB
• Bolt-on installation – no modification required
• Compatible with Gull-arm and Pro-arm setups

Performance
• Increased mid-range torque
• Improved over-rev characteristics
• Stronger, more linear power delivery
• Developed for high-octane unleaded fuel

Design
• Expansion chamber optimised to maximise output
• Built from race-proven data and testing
• Balanced for both street and circuit use

Key Points
• No cowl cutting or rearset modification required
• Durable, rust-resistant construction
• Designed for long-term reliability

Notes
• Designed for JDM – road compliance may vary
• Specifications may change without notice
• Instructions (if included) may be in Japanese

Performance, without compromise.