• COBB TD05H-20G Turbocharger | Subaru WRX STI (08-21) (E1120G)
  • COBB TD05H-20G Turbocharger | Subaru WRX STI (08-21) (E1120G)
  • COBB TD05H-20G Turbocharger | Subaru WRX STI (08-21) (E1120G)
  • COBB TD05H-20G Turbocharger | Subaru WRX STI (08-21) (E1120G)
  • COBB TD05H-20G Turbocharger | Subaru WRX STI (08-21) (E1120G)
  • COBB TD05H-20G Turbocharger | Subaru WRX STI (08-21) (E1120G)
  • COBB TD05H-20G Turbocharger | Subaru WRX STI (08-21) (E1120G)
  • COBB TD05H-20G Turbocharger | Subaru WRX STI (08-21) (E1120G)
  • COBB TD05H-20G Turbocharger | Subaru WRX STI (08-21) (E1120G)
  • COBB TD05H-20G Turbocharger | Subaru WRX STI (08-21) (E1120G)
  • COBB TD05H-20G Turbocharger | Subaru WRX STI (08-21) (E1120G)
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COBB TD05H-20G Turbocharger | Subaru WRX STI (08-21) (E1120G)

COBB TD05H-20G Turbocharger | Subaru WRX STI (08-21) (E1120G)

E1120G

In stock

$1,470.00 USD
$1,470.00 USD $1,470.00 USD
ADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The COBB TD05H-20G Turbocharger is a high-performance upgrade designed specifically for the Subaru WRX STI, delivering enhanced top-end power without sacrificing low and mid-range throttle response. This turbo features a 20G compressor housing with a 68mm billet wheel and an 8cm² TD05H turbine housing equipped with a 55.8mm wheel. It supports up to 400 horsepower and includes a 640 CFM flow rate with a .57 A/R ratio, paired with a 1 bar actuator for precise boost control. The offset compressor outlet provides additional clearance for easier installation and improved engine bay packaging, making it an excellent choice for both street and track enthusiasts seeking reliable power gains and responsive performance.

This turbocharger is compatible with 2008–2021 Subaru WRX STI models, offering a direct replacement for the factory turbocharger. It is engineered to fit the stock exhaust manifold and intake piping with minimal modifications, making installation straightforward for experienced tuners. Ideal for street, track, and performance driving, the COBB TD05H-20G supports aggressive tuning while maintaining driveability and throttle response. This turbo is suited for enthusiasts looking to maximize power output while preserving the daily usability of their STI.

Overview

COBB Turbocharger

Fitment: 2008-2021 Subaru WRX STI

Part #: E1120G

Overview

The COBB TD05H-20G Turbocharger is a high-quality performance drivetrain component designed specifically for Subaru WRX STI models from 2008 to 2021. This turbocharger upgrade is ideal for enthusiasts seeking to enhance their vehicle’s top-end power without sacrificing low and mid-range throttle response. It offers a balanced combination of increased horsepower and responsive driving dynamics, making it suitable for both street and track applications.

Engineered to support up to 400 horsepower, the COBB 20G turbocharger helps deliver a smooth and controlled power curve. Its design focuses on maintaining excellent throttle response, ensuring that your vehicle remains agile and engaging across the entire RPM range. This turbocharger is perfect for drivers who want to elevate their STI’s performance while preserving drivability and reliability.

Key Features

The COBB TD05H-20G Turbocharger incorporates advanced engineering and precision components to optimize performance and durability. Key features include:

  • 20G compressor housing equipped with a 68mm billet compressor wheel for efficient airflow and improved boost response
  • 8cm² turbine housing paired with a 55.8mm turbine wheel (TD05H) designed to balance spool time and top-end power
  • 640 CFM airflow capacity supporting high horsepower potential
  • 0.57 A/R ratio for optimized exhaust flow and turbo efficiency
  • 1 bar actuator to regulate boost pressure precisely
  • Offset compressor outlet providing additional clearance for easier installation and better fitment in the engine bay

Installation & Fitment

This turbocharger is engineered as a direct upgrade for 2008-2021 Subaru WRX STI models. While installation generally follows standard turbo replacement procedures, verifying fitment against your specific vehicle details and part number is recommended to ensure compatibility. The offset compressor outlet design allows for improved packaging within the engine bay, facilitating a smoother installation process.

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