It's a flash tool, the cells are write protected and can only be obtained from Jeff (mazdamaniac) and yes they are free with purchase of the AP. As far as hooking up a wideband I'm not sure, I'm sure Jeff could answer that for you though.
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04 TiGray RX8 MT, LS2 coil setup, 3" midpipe, HKS Hi-power 3" exhaust, TEIN S-Techs, Hotchkis Adj F/R sways, K&N Typhoon V2, Steel braided brake lines, Redline drivetrain fluids, ATE Super Blue brake fluid, Cobalt XR2/GTS brake combo, MB Motorpsorts Weapons 18x9 +45 offset, 275/35's
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