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SKU: E1120G | UPC: 700424672349
Cobb TD05H-20G-8 Turbocharger 2008-2021 Subaru WRX STI & 2005-2009 Legacy GT
The Cobb E1120G TD05H-20G-8 turbocharger provides a direct bolt-on upgrade for 2004-2021 Subaru STI, 2008-2014 WRX, and 2005-2009 Legacy GT with 2.5L EJ25 engines. Its billet 8cm² compressor wheel and high-flow turbine support 450+ HP with quick spool times and reliable performance on street or strip. Proven design handles high boost levels with journal bearing durability.
Key Features
- Billet 20G Compressor: 8cm² extended-tip wheel supports 50+ lbs/min airflow for strong mid-range response and 450+ HP potential
- High-Flow Turbine: 8cm² housing larger than VF-series reduces backpressure for improved top-end power and efficiency
- Journal Bearing CHRA: Oil-cooled center housing maintains heat control and delivers long-term reliability under extreme conditions
- Direct Bolt-On: Installs in factory turbo location without adapter plates or modifications to exhaust manifold
- USA-Made Construction: Precision engineering ensures consistent quality and 1-year limited warranty coverage
Product Notes
- Fits 2004-2021 Subaru STI, 2008-2014 WRX with EJ manifold, 2005-2009 Legacy GT EJ25; requires FMIC, injectors, fuel pump, clutch, and custom tuning
- Supports 400-500+ whp builds with proper supporting modifications
- Ships in official Cobb Tuning retail box, typically in stock for same or next business day dispatch
Installation Notes
- Professional installation recommended.
- Installation time: 6-10 hours with basic tools and lift
- Custom ECU tune required; uses factory mounting hardware and oil/coolant lines
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2021 | Subaru | Impreza WRX STI | Base, Limited, Special Edition |
| 2008-2014 | Subaru | Impreza WRX STI | - |
| 2011-2014 | Subaru | Impreza WRX STI | Limited |
| 2010 | Subaru | Impreza WRX STI | Special Edition |
| 2015 | Subaru | WRX STI | Base, Launch Edition, Limited |
| 2008-2014 | Subaru | Impreza WRX | - |
| 2005-2009 | Subaru | Legacy GT | - |
Why Choose Cobb?
- Legendary bolt-on design sets the standard for EJ engine upgrades worldwide
- Balances fast spool with high horsepower output for daily and track use
- Trusted in thousands of 400-600 HP Subaru builds for consistent results
Frequently Asked Questions
-
Q: Does it require a tune?
A: Yes, custom tuning is mandatory for safe operation and optimal performance. -
Q: What supporting mods are needed?
A: Front-mount intercooler, larger injectors, high-flow fuel pump, and upgraded clutch recommended for 450+ HP. -
Q: Will it fit FA20 WRX?
A: No, designed for EJ25 engines; FA20 uses different manifold and turbo mounting.
Shipping & Handling
- Method: UPS/FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Official Cobb Tuning retail box, 16" x 16" x 16" dimensions
- Weight: 22 lbs (shipping weight 25 lbs)
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