D3 is having our Leap Year sale on all plug n' play ECU boxes for STS-V and XLR-V. If you order before the end of February you'll save $50.00 off MSRP. We have several tunes available. Email or PM me for more details.
Just a reminder to everyone that these boxes are on sale until the end of February. It's an excellent alternative for those who desire more power and less hassle. Our ECU boxes are a plug n play device that is accepted by and even carried and installed by many Cadillac Dealerships. Save yourself the hassle of having to take your vehicle to a tuner or sending your PCM to someone for reflash while your car sits dead in the garage. D3 ECU boxes install in seconds and the power gains are instant. Our ECU boxes carry a 3 year parts warranty. Please email or call me for any additional information. Thank you.