Chris here from HP Tuners.
We have now started public beta for the late model V6 Cadillac's.
- 05-07 Cadillac CTS V6 3.6, 2.8
- 05-07 Cadillac STS V6 3.6
- 04-07 Cadillac SRX V6 3.6
Please note that 5spd auto tuning is not available at this time, but you can still tune the engine.
You can see our full list of HFV6/Alloytec support (and other vehicles) here: