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SKU: 01-177-01567-5

W.3 Turbo Upgrade, M177

Excluding GST
Please contact tuning@weistec. com to see if a tune is available for these turbos on your specific application.  Core exchange required.  ** Cores RequiredFor C63 / C63S Models
The Weistec M177 W. 3 Turbo Upgrade unlocks the true potential of the 4. 0L Biturbo engine.  Power gains are substantial, especially in the top end. 
The factory turbocharges are disassembled and fully inspected.  The compressor cover and center cartridge are then machined to accept our 5-axis CNC machined larger impeller wheel.  Externally, no changes are made to maintain a completely stock appearance.  The new impeller wheel supports greater power levels than the factory unit with little to no sacrifice in spool and response.  The turbochargers are then reassembled with new seals and fully balanced for smooth operation and OEM service life.  All the original oil and coolant lines bolt right up making for a simple install. 
For maximum results, the combination of our Weistec Downpipes, and Weistec High Flow Air Filters is recommended.  A Weistec W. 3 Turbo Specific ECU Upgrade is recommended. 
Key Features:
Increased Horsepower depending on fuel and supporting modifications
5 Axis CNC Machined
High RPM Balanced for perfect operation
Substantial power throughout the RPM range
Stock Appearance when installed
100% Bolt on installation
Requires your turbos to be sent to WeistecCore Exchange optional
  • +351 HP