Chiptuning Subaru Forester III (2008–2013)
4 engines · +18 to +69 hp
Subaru Forester III: 4 engines — 4 petrol. The gain is +18 to +69 hp, with up to +106 Nm more torque. GAN GTL from 249 EUR, GAN GT from 399 EUR. GAN GA+ from 189 EUR.
All Subaru Forester III engines: exact gains
Standard output, output with GAN, the gain and the price for each box.
| Engine | STOCK → with GAN | Gain | Tuning boxes and prices | |
|---|---|---|---|---|
| Petrol · 4 engines | ||||
| 2.5230 hp / 320 Nm | +69 hp+106 Nm |
GTL — 249 EUR · 289 hp GT — 399 EUR · 299 hp |
Select → | |
| 2.5263 hp / 350 Nm | +45 hp+60 Nm |
GTL — 249 EUR · 300 hp GT — 399 EUR · 308 hp |
Select → | |
| 2.5i172 hp / 229 Nm | +21 hp+27 Nm |
GA — 189 EUR · 193 hp GA+ — 189 EUR · 193 hp |
Select → | |
| 2.0i150 hp / 196 Nm | +18 hp+24 Nm |
GA — 189 EUR · 168 hp GA+ — 189 EUR · 168 hp |
Select → | |
Each engine has its own tuning box: GAN GT / GTL or GAN GA / GA+. Prices are per box and include the current discount.
Not sure which engine you have?
The badge alone is not enough: in this generation, the same engine designation came in different power outputs, each with its own calibration. Check the power output in your registration document and find the matching row.
Same badge, different factory power outputs in this generation:
Subaru Forester III remap: what changes
The GAN box plugs in between the sensors and the engine control unit (ECU) and adjusts their signals, while a flash remap rewrites the ECU itself. Your manufacturer’s warranty is preserved: the ECU software is never changed, and the box can be removed at any time.
- Bluetoothchange modes from your phone
- 18 mapsfine-tuning for your engine
- 15 minutesfitted to the factory connectors
- IP67water and dust protection
- +69 hpbest in this generation
2.5 230 hp → 299 hp. The other engines gain at least +18 hp; check the table for each one.
- up to +12%with the GAN GA+ on naturally aspirated engines
For 2 naturally aspirated engines: GAN GA / GAN GA+ tuning boxes; check the table for each engine’s figure.
- GAN APPpower control via smartphone
SPORT, DYNAMIC, ECO and STOCK modes in the GAN app.
- 50 daystest drive
Feel the difference or get your money back, excluding delivery costs.
Subaru Forester III remap: common questions
Which tuning box do I need for the Subaru Forester III?
Turbocharged engines take the GAN GT or GAN GTL, naturally aspirated ones the GAN GA or GAN GA+. Find your engine in the table above – each row shows the box and its price.
Is a tuning module the same as a Stage 1 remap?
Not quite. Stage 1 usually means an ECU remap without replacing any parts. The tuning module also works without replacing parts, but it does not change the ECU software: it adjusts the sensor signals, comes off in about a minute, and the OFF button in the app restores the factory settings.