Stage 1 CCT High-Flow RHF55 VF48 to suit Subaru WRX Sti EJ257 MY09-18 14411-AA700 with Gaskets
- Quality-tested turbo assembly
- Factory-boost calibrated
- 24-month warranty
Pre-order
Available for pre-order. Contact us for availability.
Sold out. Ask us about restock.
Pickup available at Demon Pro Parts
Usually ready in 1 hour
Delivery and Shipping
Delivery and Shipping
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Stage 1 CCT High-Flow RHF55 VF48 to suit Subaru WRX Sti EJ257 MY09-...
Contact us for availability.
Stage 1 High-Flow Turbo
A high-flow upgrade for everyday driving. For Subaru WRX STI with the EJ257 2.5L engine. See the Vehicle Fitment Guide for models and years.
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Improved airflow
A high-flow upgrade for more usable everyday performance.
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Responsive daily driving
Focused on usable response while retaining near-factory drivability.
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OEM-style installation
An upgrade designed around the original turbo position and installation layout.
Product Details
RHF55, Billet + Slim Hub + High Blades + Extended Tips, Water & Oil Cooled
Product Details
RHF55, Billet + Slim Hub + High Blades + Extended Tips, Water & Oil CooledTurbo Model & Part Numbers
- Turbo model
- RHF55
Reference Numbers
- OEM part numbers
- 14411-AA700
- Turbo part numbers
- VF48
- VA440057
- VB440057
- VC440057
- VD440047
- F56CAD-S0057B
Show all 7 turbo numbers
- F56CADS0057B
Turbo and OEM numbers are usually on the label or tag of your old turbo.
Technical Specifications
- Compressor wheel
- Billet + Slim Hub + High Blades + Extended Tips
- Turbine wheel
- Factory Turbine Wheel
- Bearing
- 360° Thrust Bearing
- Cooling
- Water & Oil Cooled
- Actuator type
- Pneumatic Wastegate Actuator
- Max Boost
- 20 PSI
The most the hardware is built for. Set your boost target to suit the engine, fuel system and tune.
What’s Included
- Actuator
- Included
- Gasket set
- Included
Vehicle Fitment Guide
3 Subaru applications
Vehicle Fitment Guide
3 Subaru applications-
Subaru WRX STI2009–2011
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Subaru WRX STI2011–2014
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Subaru WRX STI2014–2018
Some models use more than one turbo. Match your part number in Product details, or contact our team for help.
Compare Options
Standard, Stage 1, Stage 2
Compare Options
Standard, Stage 1, Stage 2| StandardFactory reference | Stage 1This turboFirst step up | Stage 2Larger high-flow upgrade |
|---|---|---|
| Compressor wheel | ||
| StandardFactory Cast Compressor Wheel | Stage 1Billet + Slim Hub + High Blades + Extended Tips | Stage 2+4mm Billet + Slim Hub + High Blades + Extended Tips |
| Turbine wheel | ||
| StandardFactory Turbine Wheel | Stage 1Factory Turbine Wheel | Stage 2Factory Turbine Wheel |
| Bearing | ||
| Standard360° Thrust Bearing | Stage 1360° Thrust Bearing | Stage 2360° Thrust Bearing |
| Max Boost | ||
| Standard16 PSI | Stage 120 PSI | Stage 220 PSI |
Common Questions
Fitment, part numbers, fitting and more
Common Questions
Fitment, part numbers, fitting and more
Will this turbo fit my vehicle?
For Subaru WRX STI. Check your model, year and part number in the Vehicle Fitment Guide.
Which part numbers does this turbo replace?
OEM and manufacturer part numbers are listed in Product details. Match them against your existing turbo before ordering.
Is it a direct replacement?
It’s made to fit the listed applications in place of the original turbo. Find and fix what caused the old turbo to fail before fitting it.
What’s in the box?
- Turbocharger
- Actuator
- Gasket set
Where can I find the turbo specifications?
See the wheel and bearing details in Product details.
What is the Max Boost?
Max Boost for the Stage 1 hardware is 20 PSI. Set the final boost to suit the engine’s condition, fuel system, supporting parts and tune.
Do I need an ECU tune?
Not usually to fit it. A suitable tune can make better use of the extra airflow.
Which option should I choose?
Choose Stage 1 for a first step up from standard in daily driving. The options we sell for this turbo are in Compare Options.
What warranty does it have?
24 months, under the Demon warranty policy.
Payment & Security
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