Kinugawa 3" Anti-Surge TD05H-20G Turbo — Subaru WRX & STI Upgrade
Ready to push past your stock turbo's limits without going overboard? The Kinugawa TD05H-20G delivers strong low-to-mid range response with a 3" anti-surge compressor inlet — a proven street and track upgrade for Subaru WRX and STI platforms. Note: This is not a bolt-on fitment. Your intake pipe or intake manifold must be modified to accept the 3" compressor inlet.
Vehicle Fitment
- 2002–2014 Subaru WRX (EJ205)
- 2004–2016 Subaru WRX STI (EJ257)
- 2004–2007 Subaru Forester XT
- Replaces TD04L, IHI VF30, VF35 — modification required for 3" inlet
Turbocharger Specifications
CHRA: TD05H-20G
Compressor wheel: 52.3/68mm — Cast 6+6 (low-end torque), Billet 6+6 (balanced), or Billet 11+0 (top-end speed)
Turbine wheel: 56.0/49.2mm — STD (12 blades), STS (9 blades), or STS55 (10 blades)
Compressor housing: AR.60, 3" inlet, 2" outlet
Turbine housing options: 7cm/AR.49 or 8cm/AR.57
Turbine inlet: Subaru single scroll
Turbine outlet: Subaru 5-bolt
Wastegate: Internal gated (IWG)
Turbine material: High-Ni alloy for thermal resistance
Bearing type: Journal bearing with 360-degree thrust bearing kit
Cooling: Oil and water cooling
Actuator pressure (default): 1.0 bar / 14.7 psi
Custom actuator pressures available: 0.3, 0.5, 0.8, 1.2, 1.5, 1.7, or 2.0 bar — add a note at checkout or contact us.
STS Turbine Wheel Technology
Three turbine wheel options are available — STD for standard response, STS (Superior Turbine Strike) for improved spool and efficiency, and STS55 for maximum high-flow performance.
What's in the Box
- 1× TD05H-20G Turbocharger
- 1× Oil feed line kit
- 1× Water coolant feed and return line kit
- 1× Oil return pipe kit
- 1× Turbine inlet and outlet gasket set
- 5× Stud and nut set
- 1× Balance Report with Anti-Counterfeit Tag
Condition & Quality
- Brand new
- Full balance certified by SCHENK MBRS 110 (Germany)
Manufacturer
Kinugawa Turbo Systems
Warranty
Kinugawa Turbo Systems offers a KINUGAWA TROUBLE-FREE WARRANTY for 1 year from the purchase date to the original purchaser. Return for a free overhaul, recondition, or replacement depending on availability. Kinugawa covers you no matter the issue.
Note: Maximum power stated represents potential flywheel power based on compressor choke flow. Performance results depend on your vehicle's modifications and tuning/calibration.