To get through Davik's estate in less than ten minutes, first, go through the door to the throne room (To the right from where you start out.). Now go through the door immediately to your left. Follow the corridor until you find the guard room. Kill the guards and go up to the console. Slice it and go to the security cameras. Select Hangar from the list. It will go to the Camera, press A to go to interface. Select disable hangar security. Now log out. Now exit the guard room from the door the guards were in front of and turn left. Open the hangar door and kill Davik to finish Taris.