Pre-2004 Perfect Power Piggyback Smart Tuner. Discontinued for several years. Currently has a map loaded on it for a 2001 Legacy 2.5 N/A with full bolt-ons and cams. Also has maps on it for Pre-01’ Impreza RS: Map 1 stock, Map 2 bolt ons, Map 3 bolt ons + cams. You can also create custom tunes yourself. Comes with original box plus all instructions to make it work. $200 shipped or best offer: