Sealy, Texas—AMG G-Wagon and Range Rover SVR owners beware: There’s a new luxury SUV in town and its packing 600 horsepower: The 2018 Lincoln Navigator by Hennessey Performance (HPE). Hennessey is the first aftermarket firm to offer performance upgrades for the redesigned 2018 Lincoln Navigator. “The 2018 Navigator is a world-class luxury SUV and we wanted to take its already impressive power and performance to the next level,” said president and company founder, John Hennessey. “Over the past 12 months we have built and delivered hundreds of VelociRaptor 600 upgrades to our new Ford Raptor clients. It made perfect sense to offer a similar upgrade package for the new Navigator, which has essentially the same engine.” The team from Hennessey increased the factory’s twin turbo 3.5L V6 engine from 450 bhp to 600 bhp by modifying the airflow through the engine. The HPE600 twin turbo engine upgrade includes engine management computer software upgrades, high-flow air induction syste