Subaru EJ20 / EJ25 – IE600R – 5855 – Bolt-On Turbo (Ver 2)
 
Version 2 of the Ichiban Engineering IE600R Subaru Bolt On Turbo has arrived — stronger, faster, and more capable than ever.

Now featuring an upgraded anti-surge compressor housing for improved high-boost stability and an optional twin-scroll turbine housing for sharper spool and enhanced exhaust pulse efficiency.
 
Designed as a true bolt-on solution for Subaru EJ20 and EJ25 engines, this turbo fits:
 
WRX 2002–2007
STI 2002–2020
 
The IE600R delivers serious power while maintaining OEM-like drivability. With its 58mm billet compressor wheel and high-efficiency turbine section, this turbo is capable of up to 600whp when paired with proper supporting modifications.
 
Built using a brand-new CHRA balanced by Turbo Technics, and packaged with every line, gasket, and fitting needed — this is the most complete and refined Subaru bolt-on turbo solution in its class.
 
Key Features
 
NEW Version 2 Enhancements
• Anti-surge compressor housing for improved boost control and surge resistance
• Optional twin-scroll turbine housing for faster spool and superior flow
Direct Bolt-On for EJ20 & EJ25
True plug-and-play fitment for WRX (02–07) and STI (02–20) — no fabrication needed.
58mm Billet Compressor Wheel
Designed for maximum efficiency, airflow, and power potential.
Up to 600 WHP Capable
Perfect for street, drag, or time attack builds needing big power with OEM-like installation.
Brand-New CHRA
Completely new center housing & rotating assembly, dynamically balanced by Turbo Technics.
Full Installation Kit Included
Oil feed & return lines, water lines, restrictor, gaskets, and a billet internal wastegate with spring kit.
Improved Midrange & Top-End
Spool characteristics remain street-friendly while delivering dramatic gains in upper RPM power.
1-Year Unlimited Mileage Warranty
Backed by Ichiban Engineering quality standards.
 
If you're looking for the perfect balance of power, responsiveness, and reliability in a Subaru Bolt On Turbo, the IE600R V2 is the ultimate upgrade for EJ-powered builds.
 
⚙️ Fits Subaru EJ20 & EJ25 — WRX 2002–2007 & STI 2002–2020
📧 For support, fitment verification, or twin-scroll inquiries: sales@ichibanengineering.com