Regarding Shipping: Since this item will be shipped via regular mail, delivery will not be available on weekends and national holidays. If you are in a hurry, please purchase from the listing that offers Yu-packet shipping. You are welcome to purchase without leaving a comment. We have a large quantity in stock. Please feel free to inquire. This is an airbag canceller with 3.3Ω resistance. It uses a 5W cement resistor. It is compatible with Subaru Impreza, Forester, Legacy, etc. Please research the compatible models and years yourself. Pins are attached to the ends of the wires for easy installation into the airbag connector. These are general-purpose pins, so adjustments may be necessary. Please insert the pins into the connector and secure them. You can use them without damaging the wiring. The pins have insulating covers. If you don't need them, they can be easily removed with a precision screwdriver. * We cannot answer questions regarding individual vehicle compatibility. * The wire colors may vary, but there is no difference in function or specifications. * There is no polarity for the resistor. You can connect the connector either way.