Cobb Tuning AccessPORT Ford Focus ST 13+ AP-FOR-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