M4 Exhaust GP Black Slip On 2017-2025 2026 CBR1000RR HO8922-GP

*Does not meet emission requirements for street or highway use.

• Saves 3.8 lbs Over Stock System
• Ceramic Coated GP Canister
• Stainless Steel
• Removes Stock Exhaust Valve
• Retains Stock Catalytic Converter
• Stock 93dB @ 6,500 RPM/ M4 107dB @ 6,500 RPM
• Comes Pre-Installed with Q1 Quiet Insert
• Q3 Stage 2 Quiet Insert Sold Separate