We’re running limited staff during this time, so response times may be slower than usual. Orders will still be dispatched on all non–public holiday days.
Why Your Subaru WRX or STI Needs a COBB Accessport
From the factory, your Subaru is limited by conservative ECU programming designed to meet global emissions and fuel quality standards. This means it’s leaving power, responsiveness, and efficiency on the table — especially once you start adding performance modifications.
The COBB Accessport is the key to unlocking that potential. It allows real-time ECU reflashing, live data logging, map switching, and diagnostics — all from a simple handheld device.
Enables custom tuning for performance parts like exhausts, intakes, fuel systems, and turbos
Essential for running Flex Fuel or E85 safely and efficiently
Allows for multiple map setups (e.g. daily, race, valet)
Monitor knock, boost, AFRs, DAM, and more in real time
Why Protuning is Essential for Your Subaru
Off-the-shelf (OTS) maps are generic — they’re designed to work "okay" for a wide range of setups, climates, and fuels. But your car isn’t generic. It has its own modifications, fuel quality, and driving habits.
That’s where Protuning by Yakuza Motorsports comes in. As an authorised COBB Protuner, we build a custom calibration that’s tailored specifically to your car — using real-world dyno data and in-depth diagnostics to optimise every parameter.
Custom tuning for your specific modifications and fuel type
Safe power gains without sacrificing engine reliability
CVT-specific tuning for smooth torque delivery and drivability
Ethanol (E85) tuning with accurate fuel scaling and knock protection
Post-tune support and optional retunes after further upgrades
If you’re modifying your Subaru, a Protune isn’t optional — it’s essential.
We Support All Popular Subaru Turbo Platforms
WRX (2008–2021): FA20DIT & EJ25 Turbo
WRX (2022–2024): FA24 Turbo – Manual & CVT
STI (2006–2021): EJ25 Turbo – AU & JDM Variants
Levorg 2.0L Turbo: FA20
Got a unique build? Contact us to confirm compatibility and tuning options.
Our Subaru Tuning Process
Tuning your Subaru is a technical process — and we do it right from start to finish.
We inspect your setup, scan the ECU, and ensure everything is mechanically sound
We install and configure your COBB Accessport
Your car is loaded onto our dyno, and we begin with baseline data logs
We adjust fuel, timing, boost, throttle, and more across the RPM range
We monitor for knock, fine-tune trims, and ensure safe long-term operation
Final maps are loaded onto your Accessport for switching or daily driving
Trusted by Subaru Owners Across Sydney
From daily drivers to fully built track cars, we’ve tuned hundreds of WRXs and STIs across Australia. Customers choose Yakuza Motorsports because we understand the Subaru platform inside and out — and we don’t cut corners.
Ready to Unlock Your Subaru’s Full Potential?
Let us build the perfect tune for your WRX or STI. Whether you're stock with bolt-ons or running a full E85 setup, we’ll tune it to run harder, smoother, and safer.
