1000 Stage 2 Billet Turbo Upgrade for Mercedes-AMG M177 / M178

Unleash unmatched power from your AMG with the 1000 Stage 2 Billet Turbo Upgrade for the M177 / M178 platform. This is the largest factory-housing turbo upgrade currently available for the M177 AMG — engineered for serious power while retaining true bolt-on fitment.

Designed for high-boost street cars, track builds, and future-proof setups, the Stage 2 turbo dramatically increases airflow using custom billet internals while maintaining OEM-style installation.

Vehicle Fitment

• Mercedes-AMG C63 (M177)
• Mercedes-AMG C63 S (M177)
  

What Makes the 1000 Stage 2 Turbo Different

This upgrade is built around the largest possible turbo configuration that still fits within the factory housing footprint. The result is massive airflow capability without the complexity or fitment issues of full custom turbo systems.

• Largest factory housing turbo available for M177 / M178
• Billet compressor wheel – 55mm inducer / 73mm exducer
• High-flow turbine wheel – 55mm
• Fully bolt-on installation
• Designed for extreme power levels

Airflow is increased substantially on both the compressor and turbine sides, allowing the turbo to support aggressive boost targets without becoming a restriction.

Proven Performance

This isn’t theoretical — real results back it up.

• 910 RWHP
• 880 RWTQ

These numbers were achieved on a C63 S with proper supporting mods and calibration, demonstrating the true potential of the Stage 2 turbo upgrade.

Technical Specifications

Stage 2 Turbo Specifications:

• Compressor Wheel: 55mm inducer / 73mm exducer
• Turbine Wheel: 55mm

Factory Turbo (For Reference):

• Compressor Wheel: 41.7mm inducer / 56mm exducer
• Turbine Wheel: 44.5mm / 50mm
• A/R: 0.57

The size difference highlights just how much additional airflow capacity this upgrade provides over stock.

Supporting Mods for Optimal Performance

While the turbo upgrade will physically install on a stock vehicle, the following mods are strongly recommended to safely support higher boost levels, control heat, and achieve the power this turbo is designed for.

• Downpipes (reduce backpressure, improve turbo efficiency)
• Upgraded front and auxiliary heat exchangers (control heat soak)
• Methanol injection or upgraded fueling (goal-dependent)
• High-flow intake / filter setup
• Custom ECU calibration (required)

This is not a “bolt-on and send it” turbo — it is designed for owners who understand the importance of a complete, balanced setup.

Core Return & Wastegate Instructions

• Core return required
• Remove your factory wastegate actuators before shipping your cores
• If turbos are received with wastegates installed, do not use them
• Reuse your original factory wastegates for known calibration and reliability

Following these steps ensures proper operation and avoids boost control issues after installation.

Who This Turbo Is For

• Owners targeting 850–1000+ HP
• Track-focused or high-boost street builds
• Future-proof setups planning for more power later

If you’re building an M177 AMG with no compromises and want the most airflow possible while keeping factory-housing fitment, this is the turbo.

Final Thoughts

The 1000 Stage 2 Billet Turbo Upgrade represents the upper limit of factory-housing performance for the M177 / M178 platform. When paired with the right supporting mods and tuning, it transforms your AMG into an entirely different animal.

Need help confirming fitment or supporting mods?
Contact us before ordering and we’ll help you build the setup correctly the first time.