Yamamoto Racing SPEC-A TI 4-2-1 Titanium Exhaust – VFR400R / RVF400

Refined performance. Pure titanium.

The SPEC-A TI 4-2-1 system is built to bring out the full character of Honda’s V4—lightweight, responsive, and balanced across the rev range.

With full titanium construction from headers to silencer, it delivers a sharper, more direct riding experience without excess.

Fitment
• VFR400R (NC30)
• RVF400 (NC35)

Details
• Full titanium exhaust system
• 4-2-1 layout (uses partial OEM piping)
• Titanium silencer (Φ98 × 416 mm)
• Weight: 2.5 kg
• Volume: ≤99 dB

Performance
• Improved throttle response
• Strong, usable power delivery
• Reduced overall weight
• Smooth, controlled output

Compatibility
• Pillion compatible
• Drain bolt access: ○
• Oil filter access: ○
• JMCA approved

Notes
• Made to order – lead time applies
• No cancellations or returns once ordered
• Uses some stock exhaust components
• Specifications may change without notice
• Instructions (if included) may be in Japanese

Lightweight. Balanced. Intentional.