Hooker BlackHeart now offers a harness to connect Holley EFI to the popular Attitude Adjuster exhaust valve controller. This harness allows the Attitude Adjuster to use the CAN bus from either Holley EFI OR Sniper ECU for TPS and RPM inputs through a simple plug and play connection.

Features:
  • Allows the Attitude exhaust valve controller to use the CAN bus from either Holley EFI or Sniper ECU for TPS and RPM inputs
  • Direct plug in to the CAN bus line from the ECU to the 3.5 dash using the spare slot in the CAN bus connector
  • Eliminates the need to tap into the engine harness for inputs
  • Accommodates both HEFI and Sniper style CAN bus harness connectors