Blouch Performance Turbo Dominator 1.5XT-R Ball Bearing Turbocharger 2002-2007 WRX / 2004-2021 STI

Blouch Performance Turbo Dominator 1.5XT-R Ball Bearing Turbocharger 2002-2007 WRX / 2004-2021 STI | 480HP Support | High-Flow Ball Bearing Turbo

Overview

The Blouch Performance Turbo Dominator 1.5XT-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 480 horsepower, this turbocharger offers a balance of quick spool response and sustained high-end power, making it ideal for enthusiasts seeking a versatile upgrade for street and track use. It caters to Subaru owners who demand reliable, efficient boost delivery with advanced turbo technology.

Building on the success of the Dom 2.5XT-R, the 1.5XT-R features a custom low inertia 56.5mm turbine wheel paired with a 71mm billet compressor wheel, both designed and machined in-house by Blouch. The turbo incorporates a water-cooled center housing with a ceramic ball bearing CHRA, reducing friction and improving spool times. The turbine housing options of 8cm or 10cm exhaust accommodate different performance needs, while the integrated adjustable wastegate actuator ensures precise boost control and eliminates boost creep.

For Subaru owners, this turbocharger delivers a refined power curve with quicker spool compared to larger turbos, enhancing throttle response and drivability without sacrificing top-end horsepower. The comprehensive kit includes all necessary mounting hardware and oil/coolant lines, simplifying installation and ensuring compatibility. This combination of cutting-edge engineering and Subaru-specific fitment makes the Dominator 1.5XT-R a compelling choice for serious WRX and STI builds.

Features & Specifications

This Blouch Performance Turbo Dominator 1.5XT-R turbocharger is engineered for 2002-2007 WRX and 2004-2021 STI platforms and features a custom low inertia 56.5mm turbine wheel and 71mm billet compressor wheel. Constructed with a water-cooled ceramic ball bearing CHRA and billet compressor housing, it delivers quick spool and reliable high-flow performance for Subaru enthusiasts seeking up to 480 horsepower capability.

• Brand: Blouch Performance Turbo
• Product: Dominator 1.5XT-R Ball Bearing Turbocharger
• Part Number: N/A
• Fitment: 2002-2007 Subaru WRX / 2004-2021 Subaru WRX STI
• Material: Billet aluminum compressor wheel, forged turbine wheel, ceramic ball bearing CHRA
• Finish: Machined billet compressor housing, black turbine housing
• Construction: Fully machined billet compressor wheel, closed die forged turbine wheel, water-cooled center housing
• Origin: Made in USA
• Power Gains: Supports up to 480 HP
• Tuning Required: Recommended
• Turbine Wheel Size: 56.5mm low inertia turbine wheel
• Compressor Wheel Size: 71mm XT billet compressor wheel
• Exhaust Housing Options: 8cm or 10cm turbine housing
• Boost Control: Adjustable wastegate actuator included

Key Benefits

• Performance: Quick spool and strong mid-range power delivery tailored for Subaru WRX/STI engines
• Durability: Ceramic ball bearing CHRA reduces friction and improves longevity under high boost conditions
• Fitment: Custom compressor housing designed for improved fitment on Subaru platforms
• Boost Control: Integrated adjustable wastegate actuator eliminates boost creep for stable boost curves
• Quality: Precision machined billet components and forged turbine wheel ensure consistent performance
• Complete Kit: Includes all necessary oil feed, drain, coolant lines, and mounting gaskets for streamlined installation

What's Included

• 1× Blouch Dominator 1.5XT-R Ball Bearing Turbocharger
• Turbo mounting gaskets
• Oil feed restrictor
• Braided stainless steel turbo oil feed line
• Oil drain tube
• Coolant pipes
• Banjo bolts and copper washers
• Adjustable wastegate actuator
• Installation instructions

Installation & Compatibility

Installation of the Blouch Dominator 1.5XT-R turbocharger is moderately complex and recommended for experienced enthusiasts or professional installers familiar with Subaru turbo systems. The kit includes all necessary hardware and lines, but proper tuning is essential to maximize performance and ensure engine safety. No major modifications are required, but verifying compatibility with your specific year and trim is important. Special tools for turbo removal and installation may be needed.

• Professional Installation: Recommended
• Modifications Required: None beyond standard turbo upgrade procedures
• Verify Compatibility: Confirm fitment for your specific Subaru WRX or WRX STI model year

Shop with confidence at Subimods—your Subaru parts specialists.