Just got a notice that the purchase of an Edelbrock E-Street carb replacement EFI during March/April qualifies for a free Performer or Performer RPM manifold to provide a complete package - Ultimate E-Street Deal // FREE Performer or Performer RPM Intake Manifold With E-Street EFI Purchase Valid From March 1 - April 30, 2014 Now that's a pretty sweet deal for anyone who might be considering buying a unit anyway.