Cobb TD05H-20G-8 Turbocharger for WRX STI

COBB
COBBE1120G
700424672349
Turbochargers
20+ Units In Stock - Ships Next Business Day
$ 1,470.00
$ 1,470.00

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)

Request For Information

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