Methanol Couplers for C63 AMG – M177 Engine

Upgrade your C63 AMG with high-quality methanol injection couplers designed for the M177 4.0L BiTurbo V8. These durable 5-ply silicone couplers are built to handle high boost and extreme temperatures — making them ideal for performance builds running methanol.

Key Features:

• Custom 5-Ply Silicone Construction – Withstands high pressure and heat without collapsing or cracking.
• Integrated Methanol Nozzle Mounts – Accepts standard AEM nozzle holders for flexible installation.
• Check Valve Integration – Maintains consistent pressure and prevents backflow.
• Detonation & Knock Protection – Helps reduce combustion temps and prevent pre-ignition.
• Improved Intake Temps – Lowers charge air temps under boost for better efficiency and safety.

Optional Nozzle Add-On Kit:

Take your system further with our optional jet kit, designed to meet the demands of various boost levels.

• ✔️ Includes x2 of Each Jet Size: 250cc, 500cc, and 1000cc
• ✔️ Comes with 2 Nozzle Holders for secure, clean installation
• ✔️ Compatible with AEM nozzle holders and most methanol systems

Fitment:

✅ 2015–2021 Mercedes-AMG C63 / C63S (W205)
✅ Engine: M177 4.0L V8 BiTurbo

Methanol system tuning required. For off-road use only where permitted.