Cobra Fi2000 PowrPro Black Tuner (Auto-Tune) Digital Fuel Processor - 692-1629B

Patented technology unlike any other autotune system on the market.
Provides perfect fuel settings in any condition, with any exhaust system and with any engine modifications. Tunes for every gear, every roll on, every environmental change, every engine mod, whether lugging the engine or winding it out to redline so it reacts, verifies and adjusts.
No dyno needed
No external adjustments needed
Does not require wide band oxygen sensors
No additional components needed