Chip Your Car Performance Chips combine the feel of a more powerful engine with the economy of a small motor in one easily installed performance chip. Our performance chip simply plugs into your OBD/Diagnostic port in less than 60 seconds. The performance chip loads new, pre-tuned motor specific fuel maps onto your ECU, and improves performance throughout the vehicle’s power band. Whether your vehicle has stock ECU tuning or has aftermarket modifications, our performance chip will adapt to your modifications and provide the tune necessary for your vehicle’s individual setup.