Twin Tuner EFI Controller

Twin tuner EFI controller allows easy adjustment of fuel injection to match the requirements of camshafts free flowing exhausts and low restriction air filter performance with 36 pin Delphi EFI. Controller increases horespower and improves throttle response. Easy plug in installation and interface consists of up & down push buttons and LED display for selection of the fuel trim and spark retard in the RPM and throttle ranges. This controller is compatable with TWIN SCAN II. *NOTE: Not legal for sale or use in California or on pollution controlled vehicles. 2001-2010 FXST with 36 Pin Delphi EFI 2001-2010 FLST with 36 Pin Delphi EFI 2001-2010 FXD with 36 Pin Delphi EFI