ACCESS TUNING POTENTIAL Easy ECU flash tuning with the Cobb Accessport. Modified vehicles often require tuning adjustments for safe and reliable operation. Even unmodified vehicles can benefit from fuel octane specific tuning. Utilize Cobb OTS (Off The Shelf) maps for very basic setups or have your car pro-tuned to unlock its full potential. The V3 Accessport allows the end user to flash ECU maps, display engine diagnostic codes (CEL), perform an ECU reset, view and log a full range of ECU data parameters in real time, display up to six parameters in gauge format, and perform various performance tests. It's large screen displays in full color with high resolution. The V3 AP has greatly increased processing power, memory, and flash tuning speed compared to previous Accessport versions. Supplied with a sleek case to keep it safe, an OBD2 cable, USB computer cable, alternate bezels for customizable appearance, and a universal mount. SUB-001 includes flash block connectors for early and later applications in order to put the ECU into flash mode. USDM applications only. Manufacturer Part Nos. and What They Fit: AP3-SUB-001 (MY02-05 WRX) AP3-SUB-002 (MY04-07 WRX & STI / MY04-06 EJ255 Legacy/Outback/Forester) AP3-SUB-003 (MY08-14 WRX & STI / MY07+ EJ255 Legacy/Outback/Forester) AP3-SUB-004 (MY15-21 WRX & STI / MY14-18 Forester XT) AP3-SUB-006 (MY22+ WRX)