AccessPORT (DBW)
COB-AP-SUB-002 04-05 STI
The Ultimate ECU flashing tool for your Subaru
Install Difficulty Rating
AccessPORT
The AccessPORT is a handheld programmer that allows you to unlock your vehicle's hidden potential by reprogramming the stock Engine ControlUnit (ECU).
Simply plug into your OBD-2 diagnostics port, and poke a few buttons, and in minutes you can upgrade the ECU in your car to gain 25-100+ Wheel HP. No cutting, wiring, or other such modifications,simply plug-and-play.
The thing that sets AccessPORT out from the crowd, is the 'Real-Time' mapping, which allows you to change the tuning data within seconds, as opposed to minutes. Simply park, switch realtime, and resume driving, it's literally that easy.
Off-the-shelf staged maps are available for download that will give as much as 50hp. For those wanting more, we offer custom tuned maps. With PERRIN custom tuned maps the possibilities are endless. With nearly any combination surrounding PERRIN parts, the AccessPORT can be ProTUNED to fit your cars special needs.
AccessPORT
The AccessPORT is the most powerfultool to use in your quest for maximizing the potential of yourSubaru.The AccessPORT allows you the ability to upload pre-programmedmaps tothe Engine Control Unit (ECU) via the diagnosis port locatedbelow yoursteering wheel.
TheAccessPORT reprograms your vehicle's computer to optimize theair/fuelratio, ignition timing, increases boost levels, remove thespeed limiter,and more for performance results you can instantly feel!
The AccessPORT's features include:
- On-the-fly map switching
- Monitor vehicle sensor data and display in analog or digital format
- Monitor min/max values when viewing Live Data
- Vibrant color graphic display with First-Ever full 260,000 color LED, high-resolution screen
- Read/Clear engine trouble codes
- Preloaded with performance, economy and convenience maps
- Update via the Internet
- Measure 0-60 and ¼ mile times
- Adjustable on-screen Shift Light functionality
- Estimates horsepower and torque
- Save and load of last used dynamometer test parameters
- Dyno log feature (log accessible through AP Manager)
- Displays current and accumulated average fuel economy
- Drag race simulation with reaction time and “time slip” data
- Built in on-screen help mode function
- Multi-Language support
- RoHS compliant (Lead Free design)
- Custom map possibilities
- Improve horsepower, torque, and fuel economy at the touch of a button
- Connects to your vehicle via the OBD-II port conveniently located under your dash
- Exclusive ability to switch between different 'modes' on the fly
- Idle RPM can be temporarily adjusted +/- 300 RPM in 25 RPM increments
- Timing can be retarded up to -5 degrees in 1 degree increments
-
LAUNCH Control and Flat foot shifting are now options for the 2.5L motors!
2004-2006 STIs can see gains of +20 Horsepower and +40 lb-ft Torque
2007 STI can see gains of +30 Horsepower and 50 lb-ft Torque (from the new SAE rating)
All dyno numbers are computed with genuine PERRIN mapping. An exclusive to PERRIN and our dealers!

Questions just ask.
PLEASE NOTE: THIS ITEM IS NOT RETURNABLE! ALL SALES FINAL

NOTE: This item may be for
off-road use only in your area.
AccessPORT
The AccessPORT is the most powerful tool to use in your quest for maximizing the potential of yourSubaru. The AccessPORT allows you the ability to upload pre-programmedmaps to the Engine Control Unit (ECU) via the diagnosis port locatedbelow your steering wheel.
TheAccessPORT reprograms your vehicle's computer to optimize the air/fuelratio, ignition timing, increases boost levels, remove the speed limiter,and more for performance results you can instantly feel!
The AccessPORT's features include:
- On-the-fly map switching
- Monitor vehicle sensor data and display in analog or digital format
- Monitor min/max values when viewing Live Data
- Vibrant color graphic display with First-Ever full 260,000 color LED, high-resolution screen
- Read/Clear engine trouble codes
- Preloaded with performance, economy and convenience maps
- Update via the Internet
- Measure 0-60 and ¼ mile times
- Adjustable on-screen Shift Light functionality
- Estimates horsepower and torque
- Save and load of last used dynamometer test parameters
- Dyno log feature (log accessible through AP Manager)
- Displays current and accumulated average fuel economy
- Drag race simulation with reaction time and “time slip” data
- Built in on-screen help mode function
- Multi-Language support
- RoHS compliant (Lead Free design)
- Custom map possibilities
- Improve horsepower, torque, and fuel economy at the touch of a button
- Connects to your vehicle via the OBD-II port conveniently located under your dash
- Exclusive ability to switch between different 'modes' on the fly
- Idle RPM can be temporarily adjusted +/- 300 RPM in 25 RPM increments
- Timing can be retarded up to -5 degrees in 1 degree increments
-
LAUNCH Control and Flat foot shifting are now options for the 2.5L motors!
2004-2006 STIs can see gains of +20 Horsepower and +40 lb-ft Torque
2007 STI can see gains of +30 Horsepower and 50 lb-ft Torque (from the new SAE rating)
All dyno numbers are computed with genuine PERRIN mapping. An exclusive to PERRIN and our dealers!
AccessPORT Kit Includes:
- AccessPORT
- Quick Start User Guide
- USB Cable
- OBDII Connector
- Software CD
2004-2007 STI
2006-2007 WRX
2005-2007 LEGACY GT/OUTBACK XT
2004-2007 FORESTER XT
PLEASE NOTE: THIS ITEM IS NOT RETURNABLE! ALL SALES FINAL
Please Note: This part will only work with North American Subaru Vehicles
This AccessPORT is only compatible with Drive-by-Wire ECU's. These include:
2004-2007 Subaru Impreza WRX STI
2006-2007 Subaru Impreza WRX
2005-2006 Subaru Legacy GT/Outback XT
2004-2006 Subaru Forester XT
2007+ models that Utilize CAN interfaces will be available in Late August 2007
AP software is not compatible Mac computers.
PERRIN and ALTA Tuned ECU maps are for off road use only. Use of a PERRIN / ALTA Tuned Map may void vehicle warranty. Client is responsible for providing correct information about their vehicle to insure the proper map is provided. Failure to do so, can cause engine damage not covered by any PERRIN or ALTA Warranty. Customer assumes all risk of engine damage from running PERRIN / ALTA Custom Tuning. PERRIN and ALTA Performance is not liable for loss of warranty or damage incurred to your vehicle when running custom tune. If you have any questions about ECU Tuning, please email tech@PERRINPerformance.com, tech@ALTAPerformance.com or via phone at 503-693-1702.
With all PERRIN custom mapping its is very important to do an ECU "reflash" not a "realtime" flash.
It is also very important to make sure you download the newest AP manager software, and the newest firmware for you AccessPORT.
The latest versions can be found HERE on Cobb's Website
Here is an installation how to video