EFX MAGGIE.jpg

Our 2014-19 GM Truck Maggie package is the number one solution to the poor 0-30 mph acceleration of these full size trucks.  This solutions includes all of the components of our Stage 2 Package along with adding a Magnuson TVS 2300 supercharger to BOOST performance.  Pricing starts at $11,055.55 with parts, installation, and dyno tuning.