Why Upgrade the EXEDY EM1 clutch master cylinder ?

Common 9th gen Si issues:

• Soft or vague clutch pedal
• Inconsistent engagement point
• Poor feedback during spirited driving
• Hydraulic inefficiency under heat

EXEDY Fixes That:

• Improved hydraulic pressure consistency
• Firmer, more predictable pedal feel
• Better clutch modulation and control
• Eliminates factory delay/softness

Translation: you actually know when the clutch engages. Wild concept.

Exedy Civic Si EM1 Clutch Master Cylinder (CMC) and Slave Cylinder Upgrade Kit with Stainless Clutch Line and fittings The Best Complete Kit you’ll buy for your money Fits: 2012-2015 Honda Civic Si Features: Exedy EM1 Clutch Master Cylinder. Exedy K Series Slave Cylinder with no clutch delay valve giving you the smoothest and most direct pedal feel. Stainless Steel Clutch Line with new fittings A complete Upgrade Replacement to your Factory Honda setup. Description: Exedy EM1 Clutch master cylinder (CMC) upgrade kit for the Civic Si. Help give protection to against grinds and synchro damage from high RPM shifting. A will have to have upgrade for your 12-15 Civic Si. Replacement stainless steel clutch line included. *Note* It is important to reuse the OEM pedal rod, pedal bracket, and lock nut from your factory CMC. If you search for “DIY Civic Si em1 cmc install” you are going to find more than one write ups on how this is done. Very straight forward install.

Vehicle Fitment (9th Gen Civic Si)

Designed specifically for:

Honda Civic Si:

• 2012–2015 Civic Si (Sedan & Coupe)

Engine:

• 2.4L K24Z7

Transmission:

• Manual transmission only

Ideal For:

• Daily drivers
• Performance builds
• Bolt-on and tuned setups
• Drivers wanting better clutch feel

If you hate how vague your clutch feels—this fixes it.

DIRECT BOLT ON – This Exedy cmc kit is designed to be a right away factory replacement compatible with Honda Civic Si 2012-2015 K24 engine and transmission.
SAVE YOUR TRANSMISSION – EM1 CMC and Slave does NOT have clutch delay valve. This can be a HUGE upgrade which lets you shift faster at high rpm and have less chance of grinding gears.

What’s Included

• EXEDY upgraded clutch master cylinder
• Performance clutch line (typically included)
• Mounting hardware (varies by kit)

ALL IN ONE KIT – Valex Racing EM1 CMC Kit comes with everything you wish to have to install in your car. Stainless steel clutch line, em1 clutch master ciylinder, slave cylinder, AN clutch line adapter fittings.
EASY INSTALLATION – Drain your clutch fluid, unbolt your factoy clutch hydrolic system, bold on the new EM1 cmc kit, fill with fluid and bleed your clutch system.

Key Features

• Performance-focused hydraulic upgrade
• Improved seal and internal design
• Enhanced clutch response and feedback
• Direct bolt-on fitment

Performance Benefits

• Firmer pedal feel and engagement feedback
• More consistent engagement point
• Improved clutch control under load
• Better driving confidence and response

No more guessing. No more mushy feel. Just clean engagement.

RACE TESTED – This kit has been developed and race tested by Valex Racing. It has been PROVEN to create faster and smoother shifts and gear changes.
DURABILITY – Contains Exedy components which are known for their OEM quality and durability. Stainless steel braided clutch line is durable, flexible, and easier to service since than the factory hard lines.

Installation Notes

• Bench bleed before install
• Fully bleed clutch system after install
• Use fresh DOT-approved brake fluid
• Ideal install during:
  • Clutch upgrades
  • Hydraulic system refresh

Why EXEDY EM1 clutch master cylinder ?

Because EXEDY:

• Supplies OEM manufacturers globally
• Understands Honda clutch systems
• Builds performance parts that actually improve feel

STAINLESS STEEL – Stainless steel direct fit clutch line included in the clutch line kit. Fights expansion and provides clean pedal feel and feedback.

Final Verdict

The EXEDY EM1 Clutch Master Cylinder Upgrade Kit is one of the best upgrades for the 2012–2015 Civic Si—fixing one of the car’s biggest weaknesses.

Small part. Big upgrade.