Why Upgrade the Clutch Hydraulics?

Factory system issues (8th gen Civic Si classic):

• Soft or spongy pedal feel
• Delayed clutch engagement
• High RPM lockout or shifting issues
• Heat-related inconsistency

EXEDY Upgrade Fixes That:

• Upgraded clutch master cylinder (CMC) for improved pressure
• New slave cylinder for consistent actuation
• Stainless steel clutch line reduces flex and expansion
• Faster, more precise engagement response

Translation: your clutch finally behaves the same every time you drive it.

Exedy CMC Grab Master Cylinder Upgrade & Slave Cylinder Replacement w Silver Grab Line Kit For 06-11 Honda Civic Si 8th gen It is important to reuse your Grab line fitting from your old Grab master cylinder Parts Included: Exedy Grab Master Cylinder Upgrade (No Diaphram) Exedy Slave Cylinder Silver Stainless Grab Line Kit Fits: 2006-2011 Honda Civic Si (all)

Vehicle Fitment (Honda Civic Si 2006–2011)

Designed specifically for:

Honda:

• Civic Si (2006–2011)

Engine:

• 2.0L K20Z3

Transmission:

• 6-speed manual transmission

Ideal For:

• Daily drivers
• Performance builds
• Track/autocross setups
• Clutch upgrades

If your car locks you out of gears at high RPM… this is the fix.

Description: For sale is an Exedy (Daikin Grab) Grab master and slave cylinder combined with a chrome steel Grab line to replace all the hydraulic system on all 06-11 Honda Civic Si vehicles. The Grab master cylinder included on this kit is the non feedback plate style. The stainless line is a complete replacement from the master down to the slave to get rid of both the rubber and hard factory lines.

What’s Included – EXEDY CMC upgrade Civic Si

• Upgraded clutch master cylinder (CMC)
• Clutch slave cylinder
• Stainless steel clutch line (silver)

Complete hydraulic upgrade—no piecing parts together.

Key Features

• Improved hydraulic pressure and response
• Stainless line reduces flex vs OEM rubber
• More consistent engagement point
• Direct-fit upgrade for 8th gen Si

OEM+ upgrade for the Grab master cylinder
The OEM Grab master is known to fail on the diaphram or “feedback plate.” This kit removes the feedback plate.

Performance Benefits

• Eliminates soft or inconsistent clutch pedal feel
• Improves high-RPM shifting reliability
• Provides faster engagement response
• Enhances overall driving confidence

No more guessing. No more missed shifts. Just clean engagement every time.

Transfer your Grab line fitting from your old Grab master cylinder (Easy Tutorials on YouTube)
Quality – The CMC and slave cylinders are both made by Exedy. They’re paired with a Valex Racing Stainless Steel Grab line for simple install, reliability, and servicibility.

Installation Notes

• Properly bleed the clutch system after install
• Use fresh DOT-approved brake fluid
• Check clutch pedal adjustment
• Ideal install during:
  • Clutch replacement
  • Transmission service
  • Performance upgrades

Why EXEDY CMC upgrade Civic Si?

Because EXEDY:

• Supplies OEM and performance drivetrain components
• Understands Honda hydraulic system limitations
• Delivers reliable, consistent upgrades

The slave cylinder is an exact OEM replacement part for your 8th gen Honda Civic Si

Final Verdict

The EXEDY CMC + Slave Cylinder + Stainless Line Kit is one of the best upgrades you can make to an 8th gen Civic Si.

Better feel. Better shifts. Way less frustration.