TD04L-13T Turbo Upgrade for Subaru WRX, Forester XT & Saab 9-2X Aero
Direct bolt-on turbocharger upgrade for 1998-2008 Subaru WRX, Forester XT 58T, and Saab 9-2X Aero. Engineered as a performance replacement for Mitsubishi TD04L turbos and Subaru OEM units, delivering improved airflow with factory-compatible fitment on EJ205 and EJ255 engines. No modifications required — bolts directly to stock manifold and downpipe.
Vehicle Compatibility
Subaru Impreza WRX:
- 1998–1999 Subaru Impreza WRX GDA/GGA (EJ205/EJ255)
- 2002–2007 Subaru Impreza WRX GDA/GGA (EJ205/EJ255)
- 1998–1999 Subaru Impreza WRX/WRX STi GC8 (EJ20/EJ25)
- 2002–2007 Subaru Impreza WRX/WRX STi GDA/GDB (EJ20/EJ25)
Subaru Forester XT:
- 1999–2008 Subaru Forester XT 58T SG9 (EJ205/EJ255)
Subaru Baja:
- 2004–2006 Subaru Baja XT BT (EJ255)
Saab 9-2X Aero:
- 2005–2006 Saab 9-2X Aero GGA (EJ205/EJ255)
Compatible OEM Part Numbers
Mitsubishi TD04L: 49377-04100, 49377-04200, 49377-04300, 49377-04502, 49377-04504, 49377-04505
Subaru OEM: 14412-AA360, 14412-AA140, 14412-AA451, 14412-AA532, 14412-AA560
Engineering Specifications
CHRA Size: TD04L-13T
Compressor Wheel: 40.7 / 56.0mm
• Cast 6+6 — OEM-style response, budget-friendly entry
• Billet 6+6 — improved low-end torque and heat resistance
• Billet 11+0 — engineered for top-end airflow and speed
Turbine Wheel: 47.0 / 41.3mm — explore STS technology↗
• 12 Blades STD — stock-style response
• 9 Blades STS — Superior Turbine Strike for improved spool and durability
Turbine Housing: 6cm / AR.41, Subaru single-scroll inlet/outlet, internal wastegate
Bearing Type: Journal bearing
Cooling Type: Oil and water cooling
Wastegate Actuator: 1.0 bar (14.7 PSI) default
• Available spring rates: 0.3, 0.5, 0.8, 1.2, 1.5, 1.7, 2.0 bar (specify at checkout or contact us)
Complete System Includes
- 1 × TD04L-13T turbocharger assembly
- 1 × Oil supply set
- 1 × Water supply and return pipe set
- 1 × Return oil pipeline
- 1 × Turbine inlet and outlet gasket
- 5 × Stud and nut set
- 1 × Balance report with anti-counterfeit verification tag↗
Performance Notes
Maximum power stated for each turbocharger has been calculated based strictly on the choke flow of the compressor map (total turbo capability), representing the potential flywheel power. Actual performance results depend highly on your vehicle's modifications and tuning/calibration.
Quality Assurance & Coverage
Condition: Factory-new assembly
Balancing: Complete CHRA balanced using SCHENCK MBRS 110 precision equipment (Germany)
Manufacturing Origin: Taiwan | HS Code: 841199
Warranty Protection: 1-year Kinugawa Trouble-Free Warranty covering free overhaul, reconditioning, or replacement from original purchase date. Complete peace of mind regardless of failure cause.