The Evolution CTS3 for Duramax delivers tested, trusted performance that makes every drive more fun. Start with Edge’s preloaded tuning and enjoy clean power, drivability, and confidence. When you’re ready to go further, unlock custom tuning support with an easy internet update and load files from top calibrators like PPEI and Duramaxtuner. Even when the mods stack up, the CTS3 is there to fit your needs. | Edge Products

A simple update converts your Insight CTS3 to the new Insight ($119.95) so you can flash your T87a 6-speed right through the OBD port. Get precision shift strategies and converter lockup control from guys like Duramaxtuner.com and PPEI without the headache and expense from buying and shipping pre-flashed TCM's. #edgeproducts #insightplus #l5ptuning #duramaxtuning #insightcts3 #duramaxtuner #ppei | Edge Products