Blouch Performance Turbo 20G-XT-R Ball Bearing Turbocharger 2002-2007 WRX / 2004-2021 STI

Blouch Performance Turbo 20G-XT-R Ball Bearing Turbocharger 2002-2007 WRX / 2004-2021 STI | 440HP Capability | High-Flow Turbocharger

Overview

The Blouch Performance Turbo 20G-XT-R is a high-performance ball bearing turbocharger designed specifically for Subaru WRX and WRX STI models from 2002 to 2007 and 2004 to 2021 respectively. Engineered to support up to 440 horsepower, this turbocharger is ideal for enthusiasts seeking significant power gains while maintaining reliability and responsiveness. Whether upgrading for spirited street driving or track use, the 20G-XT-R delivers a substantial boost in performance with modern turbo technology.

Blouch’s design philosophy centers on reducing rotational inertia and friction to improve spool times and overall efficiency. The 20G-XT-R features a custom low-friction ceramic ball bearing CHRA and a high-flow 56.5mm turbine wheel paired with a 68mm XT compressor wheel. These components are precision-engineered to optimize airflow and durability, setting this turbo apart from traditional journal bearing units. The availability of 8cm or 10cm exhaust housings allows for tailored fitment and performance tuning based on specific build goals.

For Subaru owners, this turbocharger represents a balance of power potential and daily drivability. The ball bearing design ensures quicker spool and improved throttle response, enhancing the driving experience without sacrificing reliability. Its compatibility with a wide range of WRX and STI models makes it a versatile upgrade for those looking to push their platform’s limits while maintaining Subaru’s characteristic turbocharged performance feel.

Features & Specifications

This Blouch Performance Turbo 20G-XT-R turbocharger is engineered for Subaru WRX and WRX STI platforms, featuring a custom ceramic ball bearing CHRA and a 68mm XT compressor wheel. Constructed with high-quality materials, it delivers enhanced spool response and power capacity for Subaru enthusiasts seeking reliable high-horsepower upgrades.

• Brand: Blouch Performance Turbo
• Product: 20G-XT-R Ball Bearing Turbocharger
• Part Number: N/A
• Fitment: 2002-2007 Subaru WRX / 2004-2021 Subaru WRX STI
• Material: High-grade turbine and compressor alloys
• Finish: Natural metal finish
• Construction: Custom ceramic ball bearing CHRA, precision-machined compressor and turbine wheels
• Origin: Not specified
• Power Gains: Supports up to 440 HP
• Tuning Required: Recommended for optimal performance and reliability
• Compressor Wheel Size: 68mm XT
• Turbine Wheel Size: 56.5mm low inertia
• Exhaust Housing Options: 8cm or 10cm

Key Benefits

• Performance: Supports up to 440 horsepower with improved spool and boost response
• Durability: Ceramic ball bearing CHRA reduces friction and extends turbo life
• Fitment: Direct fit for 2002-2007 WRX and 2004-2021 STI models, ensuring seamless integration
• Adjustability: Choice of 8cm or 10cm exhaust housings to tailor spool and power delivery
• Quality: Precision-engineered turbine and compressor wheels for consistent performance
• Value: High-flow design balances street drivability with track-capable power

What's Included

• 1× Blouch Performance Turbo 20G-XT-R Ball Bearing Turbocharger
• Choice of 8cm or 10cm exhaust housing (as selected)
• Installation instructions (recommended professional installation)

Installation & Compatibility

Installation of the Blouch 20G-XT-R turbocharger is best performed by experienced technicians due to the complexity of turbo swaps and the need for precise tuning. This turbo requires proper engine management adjustments to safely realize its power potential and maintain reliability. No major modifications are typically required for fitment on specified WRX and STI models, but supporting upgrades such as fuel system enhancements and intercooling are recommended. Special tools for turbo removal and installation are necessary, and a professional tune is strongly advised to optimize performance and prevent engine damage.

• Professional Installation: Recommended
• Modifications Required: Tuning required; supporting mods recommended
• Verify Compatibility: Confirm fitment for your specific year and trim level

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