Hybrid Racing K Swap Clutch Master Cylinder Upgrade High-Performance Cooling Does not fit AWD models

Does not fit AWD models due to intake bracket and chassis mounting differences

Ported runners and collector for improved flow

Designed to replace factory rear mufflers

Larger diameter reduces turbo lag and boosts throttle response

Hybrid Racing K Swap Clutch Master Cylinder Upgrade High-Performance Cooling Does not fit AWD modelsFactory clutch master cylinders in the 06 15 Civics are known to be rather unreliable and because of their poor design and quality, it can lead to premature failures of critical parts throughout the drivetrain. High RPM grinds are mostly attributed to the OE master cylinders' inability to transfer fluid effectively to the slave cylinder, thus causing grinding and rasping of the gears and synchros since the clutch disk hasnt fully disengaged. Upgrading