2004 Cadillac CTS Wiring Harnesses

FAST offers several main harness options to aC-Commodate most customers' needs. The XFI Main Harness is responsible for connecting your XFI ECU to sensors as well as digital dashes, EGT modules, and various optional accessories. The Main Harness also handles communication between the ECU and ignitio...

The XIM Ignition Controller allows you to easily control all aspects of the ignition system when used with a FAST EZ-EFI 2.0, XFI 2.0 or XFI Sportsman. A number of different wiring kits are available for late model GM LS platforms, 5.7 and 6.1 Chrysler Hemis and Ford?s mod motor or the Coyote series...

Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best Headers and complete exhaust systems for your street, race and off-road applications. We have won hundreds of championships and set countless...