M4 YA9964 X-MODEL CARBON 3/4 CAT DELETE EXHAUST R1 R1M 15-20
CARBON FIBER X-MODEL HALF SYSTEM
- X-Model Carbon Fiber Conical Canister
- All Titanium Tubing Catalytic Converter Eliminator
- The Perfect Slip-On For Performance and Sound
- Saves 15 lbs Compared to Stock
- Q7 Quiet Insert Available but Sold Separate
Note: ECU re-flash required when removing the catalytic converter on 2015-2020 R1.