Seller notes

The Fi2000R Replacement Part O2 digital fuel processor is designed to work with exhaust systems (stock or aftermarket) equipped with oxygen sensors in place (closed-loop design). Works much like a carburetor jet kit with adjustments similar to the air-mixture screw, the needle and clip positions and the main jet. The Fi2000R increases horsepower and torque by optimizing stock lean air/fuel mixtures (helps cool the engine temps as well). Quick and simple installation with plug-and-ride technology...

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