← Subaru WRX (GD/GG, 2002-2007)
Subaru WRX (GD/GG, 2002-2007): Power mods
ECU reflash with a COBB Accessport Confirmed
Two different Accessport models cover the GD WRX: AP3-SUB-001 for 2002-05 and AP3-SUB-002 for 2006-07. Pair the map to your exact hardware or use a professional tune.
Caveats: Can affect warranty and emissions compliance; pick the correct part number for your year.
Related issues: Free-flowing downpipe can run 2004-05 WRX lean on stock tune
Parts: COBB Accessport V3 AP3-SUB-001, COBB Accessport V3 AP3-SUB-002
Sources (2)
- V3 Accessport Subaru User Manual — COBB Tuning (product manufacturer; updated Apr 2024) (mfr spec; read 2026-10-20; full page read)
- Which COBB Accessport Fits Your Subaru? Buyer's Guide — AWD Performance Parts (COBB dealer) (vendor article; read 2026-10-20; full page read)
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