2004–2006 Subaru Baja Turbo Engine | JDM 2.0L EJ20X Twin-Scroll (Replacement for 2.5L)

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Make:
Subaru
Product Fitment:
2004-2006 Subaru Baja
Mileage:
50K
Engine Design:
2.0L
Engine Type:
Turbocharged
Warranty:
30 Days

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Warranty

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Product Information

2004–2006 Subaru Baja Turbo Engine | JDM 2.0L EJ20X Twin-Scroll (Replacement for 2.5L)

Feature Detail
Engine Code EJ20X (Dual AVCS / Twin-Scroll)
Displacement 2.0 Liter
Configuration Horizontally Opposed (Flat-Four)
Turbocharger VF38 or VF44 (Twin-Scroll)
Valve Train DOHC 16-Valve Dual AVCS
Horsepower Approx. 260–280 hp
Compression Ratio 9.5:1

Vehicle Fitment

This engine is a premium performance replacement for the following North American models:

  • Subaru Baja Turbo: 2004, 2005, 2006

  • Subaru Legacy GT / Outback XT: 2005, 2006

  • Subaru Forester XT: 2004, 2005, 2006

JDM EJ20X to USDM EJ255 Swap Guide

To successfully install the EJ20X into a North American Subaru Baja, professional technicians recommend the following "Integration" steps:

  1. Turbo & Exhaust: The EJ20X features a Twin-Scroll Turbocharger and Header system. To utilize this, you must use the JDM downpipe. If you prefer to keep your USDM exhaust, you must swap your original USDM Single-Scroll Header, Up-pipe, and Turbo onto the JDM block.

  2. Dual AVCS vs. Single AVCS: The EJ20X has cam sensors on the exhaust side. The USDM Baja ECU only supports Intake AVCS. Most installers leave the exhaust AVCS solenoids unplugged (which defaults to safe timing).

  3. Wiring Harness: Always retain and use your original USDM Engine Wiring Harness. You will need to swap over your original USDM sensors (Crank, Cam, Knock) to ensure the harness plugs are 100% compatible.

  4. Intake, Exhaust Manifold: We recommend transferring your original USDM Intake & Exhaust Manifold to ensure all vacuum lines, Tumble Generator Valves (TGV), and fuel lines match your factory harness and chassis.

  5. Oil Pan & Pickup: Inspect the JDM oil pan for clearance. If the JDM pan differs from your original Baja pan, swap to your USDM Oil Pan and Pickup Tube to ensure perfect subframe and crossmember clearance.

SHIPPING:All Star JDM offers specialized shipping with surcharges for services like liftgate delivery. They promise same-day shipping for orders before 1 PM PST, with next-day dispatch for later orders. Shipping is within the 48 contiguous states, with special arrangements for other US territories. Customers receive tracking numbers and are responsible for return shipping costs. Queries can be directed to their customer service. Shipping policy acceptance is required.

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