EFI Can Bus Y Splitter Cable Compatible with Terminator X, Sniper EFI,Dominator Replace Part #: MA558-465,558-465, TERMX-Y6, TERMX-Y-6. Wire Specs: Shielded 4 wire.When Updating Your ECU Firmware, You Must Unplug The CAN Splitter From Main Harness，and plug the device updating the ECU Firmware Directly Into The Main Harness. The EFI Y Splitter Cable allows you to add an additional CAN device to your Sniper EFI or Terminator X installation. Brand new aftermarket, made of high-quality materials, original specifications, plug and play.