Brand New MS3Pro 1984-1987 Buick Grand National Plug and Play DIYAutoTune

The MS3Pro Buick Grand National Plug and Play (P/N: MSPNPPro-GNX8487) Fits 1984-1987 Buick Regal with the 3.8 Turbo V6, including Grand National, T-Type, and GNX. Buick Grand National Plug and Play Model Features: Fully Plug and Play Installation – No wiring required for basic functionality. Average install time is under 1 hour! Base map is pre-loaded to help your engine start on the first turn of the key Real time tuning and data logging with a laptop connection 8 GB internal data logging with built in SD