COBB Accessport V3 – Subaru WRX / STi MT (2015–2021)

COBB Accessport V3 – Subaru WRX / STI Australia (AP3-AU-SUB-004)
Unlock the full potential of your Subaru WRX or STI with the COBB Accessport V3. This in-cabin mountable tuning solution features a large, full-colour, high-resolution screen that lets you monitor up to six parameters in real time. Fully customisable with multiple bezel colours, display layouts (race, street, or dyno gauge clusters), and mounting options. With more processing power, memory, and storage, the Accessport flashes faster while saving all your maps and logs. This is your new Accessport—and possibly the last one you’ll ever need.

⚠️ IMPORTANT WARNING!
Installation of this Accessport over anything other than OEM or COBB software may result in ECU/TCU failure. Please contact COBB Support before installation.

CLICK HERE FOR MAP NOTES, DYNO CHARTS AND POWER GAINS

Why Choose the Accessport V3?
The Accessport is the world’s best-selling, most flexible, and easiest-to-use ECU upgrade solution for your Subaru WRX or STI. Unlock hidden power by replacing conservative factory settings with more aggressive calibrations. Follow COBB’s staged upgrade path with pre-loaded Off-The-Shelf (OTS) maps or use custom tuning for any modification level.

Key Features

• Subaru Australia Accessport V3 (AP3-AU-SUB-004)

• Compatible with Subaru WRX / STI (Australia)

• Large, full-colour, high-resolution screen

• Customisable multi-gauge display

• In-vehicle mount with on/off switch

• Faster processing with increased memory and storage

• Interchangeable faceplates

Accessport V3 Functional Highlights

• Simple Installation: Everything included with intuitive on-screen instructions.

• Simple Uninstall: Easily revert ECU to stock via the main menu.

• Trouble Codes: Read and clear codes to avoid costly dealer visits.

• Change Maps: Store and switch between up to 100 COBB or custom maps.

• Gauges: Monitor boost and other ECU data in real time.

• Data Logging: Record multiple channels for detailed analysis (up to 10 hours).

• Performance Measuring: Measure 0–100 km/h times, 60-foot launches, ¼ mile ETs, and trap speeds.

• Shift Light: Set custom RPM warning lights for perfect shifts.

• Auto On/Off Detection: Automatically powers on and off with vehicle ignition.

• Accessport Manager: Manage maps, download datalogs, and update via PC or Mac.

Subaru-Specific Features

• Realtime Tuning: Make live map adjustments while the engine is running.

• Adjust Idle: Fine-tune idle settings to compensate for lightweight flywheels or upgraded cams (A/C ON and OFF conditions).

• Adjust Timing (STI Only): Reduce timing globally to compensate for lower-quality fuel.

• Flat Foot Shifting (STI Only): Keep the throttle pinned during shifts and maintain boost between gears.

• Launch Control (STI Only): Set RPM thresholds for boosted launches straight off the line.