Supported Vehicles
Outback XT, Legacy XT
2020 - 2022
Outback Wilderness
2022
Map Revision
Outback XT | |
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| v100 |
Required Accessport Firmware
AP3-SUB-005:1.7.5.0-25609
Map Availability:
All maps come pre-installed on the Accessport.
Fuel Requirements:
Each map lists the minimum required octane. A higher octane fuel can be used safely on a map designed for lower octane. DO NOT use maps designed for higher octane with lower octane fuels. Top Tier gasoline should be used where available.
Maps designated with 87 OCT or 91 RON are for use with 87 octane/91 RON fuel or better. Also recommended for use with the 91 octane fuel found in Arizona and Nevada or better.
Maps designated with 91 OCT or 95 RON are for use with 91 and 92 octane/95 RON fuel or better.
Maps designated with 93 OCT or 98 RON are for use with 93 octane/98 RON fuel or better.
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Running 0% Ethanol Fuels These maps are designed for E10 fuel (fuel with 10% ethanol content). For those who only have access to E0 fuel (fuel with 0% ethanol) it is recommended to use the 87 octane versions of the maps and datalog the car to ensure your fuel is performing to the necessary level. This is especially important for those using Canadian 94 octane E0 fuel. |
Power Output
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Stage1 Hard Parts Requirements
Exhaust Requirements: Stock or upgraded catback exhaust.
Intake Requirements: Stock air box and filter.
Intercooler Requirements: Stock
Boost Level:
93 Octane: ~18.2psi +/- 1.5psi, tapering down as you reach redline.
91 Octane: ~17.3psi +/- 1.5psi, tapering down as you reach redline.
87 Octane: ~16.7psi +/- 1.5psi, tapering down as you reach redline.
Non-Performance Maps
Stage0
A map with stock calibration for diagnostic use
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Flashing to the Stage0 map is not the same as uninstalling from the vehicle |
Stage1 Economy Mode
A Stage1 Map with reduced power and altered tables in order to increase potential mileage.
Valet Mode
A map with lowered limits for boost, vehicle speed, and RPM to prevent agressive driving.
Anti-Theft
Table values zeroed or otherwise minimized to prevent the car from starting.
Closing Warnings and Precautions:
Use of inappropriate calibration/modification combinations will promote engine damage.
Top Tier gasoline should be used where available. Use of lower quality fuels can result in catastrophic engine damage.
Dynamic Advance Multiplier (DAM) and Knock Strategy for Modern Subaru Vehicles
DAM or dynamic advance multiplier is a value that is multiplied (surprisingly) against the ignition timing to reduce power output under less than ideal conditions. Much like the 15+ DIT WRX, Subaru has started to actively utilize this system to have the car run the best it can for the given conditions. This is a departure from how it was used in the STI and other EJ-engined vehicles in which it was “bad” if it was less than one.
On the stock tune it was not uncommon to see values of less than 1.0 even under ideal conditions with appropriate fuel octane for what the vehicle required. For example.
87 typically sits around 0.32
91 around 0.50
93 ~1.0
That being said these values can and will move around and are not an immediate indication of something being wrong with the car. Rather you’ll want to look at feedback knock which is changes to ignition timing in response to knock, and fine knock which is where the ecu has seen consistent knock over the past and made a correction to how the car drives in response. Even then you’ll want to keep an eye on it in conjunction with other monitors such as intake air temperature etc.
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