Performance Tuning for 2000-2003 Cadillac Northstar V8 and Aurora 4.0. Will add a very noticeable increase in performance, and fuel economy will increase.
Performance tuning for 2006-2011 Cadillac DTS 4.6L V8. This is a service, you need to send your ECM to us for tuning. The benefits are listed in the description. We also have core ECMs for additional cost that we can flash and ship out to you. Removal and Installation is easy.