When an exhaust valve is removed or bypassed, whether for an aftermarket exhaust or a valve delete, the ECU normally stores a fault code for the missing part. AWE's electronic valve simulators plug directly into the factory harness in place of the valve and prevent that code from ever being set.Installation is plug and play: connect the simulators where the factory valve connectors used to plug in, then drive away.FeaturesSold as a set of 2What's IncludedAWE Electronic Valve Simulators (x2)Product Specifications SKU: A00U 1310-11018 MPN: 1310-11018 GTIN: 810098801805 Frequently Asked QuestionsHow many simulators come in this kit?Two, enough for a pair of removed exhaust valves.Do these require any wiring modifications?No, they plug directly into the factory valve connectors.