Dogfight Racing DFR Chamber – NSR250R (1990–1998)

Built from the track up.

The Dogfight Racing DFR chamber is developed through real racing data—refined on the dyno, proven on the circuit, and validated on the street.

Designed to extract maximum performance from the NSR250R, it delivers stronger mid-range and extended over-rev, giving the engine more usable power across the range.

Fitment
• NSR250R (1990–1998)

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

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

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

Design
• Expansion chamber optimised for maximum output
• Built from race data and real-world testing
• Durable, rust-resistant construction

Key Points
• Suitable for both track and street use
• Maintenance-conscious design
• Clean fit with stock bodywork and rearsets

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

Proven where it matters.