M4 Full System w/ Black GP19 Exhaust for '21 Kawasaki ZX10R
- Stainless Steel Tubing
- GP19 Style Canister
- Saves 12 lbs Over Stock
- Stock 95 dB @7,000 RPM M4 112 dB @7,000 RPM
- Pre-Installed with Q1 Quiet Insert
- Comes with M18 and M12 O2 Bung
- Q3 Stage 2 Quiet Insert Sold Separate
Does not meet emission requirements for street or highway use.
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