http://tinyurl.com/km8ayub
Cobb Tuning 02-05 Subaru WRX (2.0L Turbo) AccessPORT AP-SUB-001
Installs via the vehicle's diagnostic port - no tools/disassembly/wiring required
Reversible Process: the ECU can be returned to stock at any time
Scantool Capability: Read and clear check engine lights (CELs)
Measure 0-60, 1/4 mile times, estimate fuel economy, & estimate torque and horsepower