Cobb Stage 1+ Power Package — Blue — 2005-2006 Subaru Legacy GT / Outback XT
The Cobb Stage 1+ Power Package in blue for the 2005-2006 Subaru Legacy GT and Outback XT bundles the Cobb Accessport V3 with the Cobb SF Blue Intake for the EJ255 platform. Cobb develops Legacy GT-specific OTS calibrations that account for the Legacy’s different cooling capacity, transmission ratios, and weight compared to the WRX — platform-specific maps rather than WRX calibrations applied to a different body.
DETAILS
- Includes: Cobb Accessport V3 + Cobb SF Blue Intake
- Platform: 2005-2006 Subaru Legacy GT and Outback XT EJ255
- Legacy-specific OTS calibrations — not WRX map adaptations
- OTS maps: 91 octane, 93 octane — developed for Legacy GT EJ255 characteristics
- SF Intake: cone filter, aluminum tube, blue coupler
- Accessport live gauges and data logging
- NOTE: Ships via UPS/FedEx — signature required at delivery
Legacy GT-Specific Calibration: Why Platform-Specific Maps Matter
The Legacy GT and Outback XT use the same EJ255 as the WRX of the era but in a significantly different vehicle — the Legacy is larger, heavier, has different cooling airflow through the hood, and uses different transmission ratios that affect how boost builds relative to vehicle speed. Applying WRX OTS maps to a Legacy GT produces incorrect results because the calibration targets are set for WRX-specific conditions that do not apply. Cobb develops Legacy GT-specific calibrations that account for these differences precisely, producing calibration that works correctly for the Legacy’s specific operating characteristics. The SF intake provides the airflow improvement on top of the platform-appropriate calibration.
EJ255 in the Legacy Body, Gauges, and Build Potential
The Legacy GT and Outback XT are genuinely capable performance cars that the market frequently overlooks compared to the WRX and STI. The EJ255 in these platforms responds to Stage 1+ just as well as the WRX equivalent — the car carries that improvement in a more practical body that can do everything the WRX does and haul the family’s gear at the same time. The blue SF coupler is visible when the hood is open and adds a color element to the Legacy GT engine bay. The Accessport gauge display provides real-time performance monitoring that is genuinely useful during the spirited driving that makes the Legacy GT enjoyable.
What’s in the Box
- Cobb Accessport V3
- Cobb SF Blue Intake
- OBD-II cable
- USB cable
- 2 faceplates
- Universal mount
Why Choose Cobb Tuning
Cobb Tuning has been developing performance software and hardware for turbocharged enthusiast vehicles since 1999. Founded in Austin, Texas, Cobb built its reputation on the Accessport and expanded into a full catalog of hardware engineered to complement it. Every OTS map is developed in-house on real vehicles, and every hardware product is validated as part of a complete system — not sourced and sold in isolation. That integrated approach is why Cobb produces consistent, reliable results across the builds we see every day.
The RallySport Take
Stage 1+ for the 2005-2006 Legacy GT is for owners of the most practical fast Subaru. The EJ255 responds well, the Cobb maps are platform-specific and well-developed, and the Accessport provides the calibration capability and data logging that makes a custom ProTuner tune achievable if the build progresses.
Fitment
| Year | Make | Model | Notes |
|---|---|---|---|
| 2005-2006 | Subaru | Legacy GT | EJ255 |
| 2005-2006 | Subaru | Outback XT / XT Limited | EJ255 |
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