Subaru Legacy 2.5 GT 265 hp — Stage 1 file (+15 hp)
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Stage 1 file for Subaru Legacy 2.5 GT 265 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Subaru Legacy 2.5 GT 265 hp ECU
Subaru Legacy (2009) 2.5 GT 265 hp — mass-market petrol engine of the passenger segment of the Subaru Corporation (Toyota владеет 20%) group (Япония, 1953). Stage 1 chip tuning raises power from 265 to 280 hp (+15 hp, +6%) and torque from 350 to 370 Nm (+20 Nm). A petrol engine built in 2009 — the era before widespread firmware encryption, OBD flash without complications.
STI (Subaru Tecnica International) is the performance division that builds the WRX STI. Subaru uses permanent all-wheel drive (AWD) on most of its models. The WRX STI is Subaru's iconic rally model. The EJ series (legacy) and the FA/FB series are Subaru's iconic Boxer engines. Subaru's petrol range comprises naturally aspirated and turbo flat engines. On the turbo WRX, Stage 1 delivers a confident gain.
On turbo Subaru engines, Stage 1 delivers a noticeable gain. The Subaru community in JDM and rally culture is the largest for the WRX/STI. High-output Subaru WRX models sit in the turbo segment, with solid headroom for Stage 1.
Frequently asked questions
How much does the power of the Subaru Legacy 2.5 GT 265 hp increase after Stage 1?
Stage 1 chip tuning on the Subaru Legacy 2.5 GT 265 hp boosts engine output by 15 hp: from 265 to 280 hp. Torque rises from 350 to 370 Nm (+20 Nm).
What changes in the Subaru Legacy ECU after Stage 1?
Stage 1 is a software optimization of the factory ECU firmware of the Subaru Legacy with no hardware changes. The injection, boost, ignition-timing and torque maps are reprogrammed. The gain is +15 hp with no hardware changes.
Do you need hardware changes for Stage 1 on the Subaru Legacy?
Stage 1 on the powerful Subaru Legacy 2.5 GT 265 hp “lifts” the factory limiters with no hardware changes. The gain is noticeable in the mid and upper range. There is headroom left for moving to Stage 2 (downpipe + intake + intercooler).
What is Stage 2 for the Subaru Legacy 2.5 GT 265 hp?
Stage 2 for the Subaru Legacy 2.5 GT 265 hp is Stage 1 plus hardware changes: a downpipe, a larger intake and a performance intercooler. The gain is considerably higher, but it requires professional component selection.
Does the factory warranty of the Subaru Legacy remain valid after Stage 1?
After remapping the Subaru Legacy, the official factory warranty on the engine and gearbox is lost (this applies to any manufacturer when the ECU is modified). CHIPOK guarantees the quality of the calibration and free revisions.
How long is the wait for a Stage 1 remap for the Subaru Legacy?
Reading and writing via OBD takes 25-30 minutes on the Subaru Legacy. Bench reading (BDM/JTAG) takes about 60 minutes plus refitting. Remote file processing at CHIPOK takes 5-30 minutes.
How do you roll back to the factory firmware of the Subaru Legacy?
Before Stage 1 the original of the Subaru Legacy 2.5 GT 265 hp is read out and saved — returning to the factory state is possible at any time.
How much does chip tuning the Subaru Legacy 2.5 GT 265 hp cost?
The remap price for the Subaru Legacy 2.5 GT 265 hp is dynamic and is calculated in the CHIPOK calculator based on the selected options. A credit-based payment model, with no subscription fees.