TechArt has released info in its extensive customization program for the recently facelifted Porsche Panamera that they’re calling the GrandGT package. It includes an aerodynamic body kit manufactured from carbon fiber and polyurethane RIM encompassing a built-in splitter and generous ventilation intakes for an improved airflow to the brakes and intercooler. The body kit also features evamped headlights, carbon fiber hood with more vents, beefy side skirts, wheel arch extensions, roof spoiler, rear apron with air vents and a diffuser. Customers can choose from a variety of wheel designs in sizes ranging from 20 to 22 inches and another option is a custom stainless steel quad exhaust setup optionally available with integrated valve control. Inside there’s dual seven-inch screens, a three-spoke steering wheel, leather upholstery, fold-away tables and carbon fiber inserts. They’re also working on a power boost that will up its output from 520 bhp to 580 bhp.