Sealy: Hennessey Mammoth 1000 is a 1,000-hp, $135,350 Ram 1500 TRX

The 2021 Ram 1500 TRX is a vehicle that's hardly lacking in performance, but that's never stopped the folks at Hennessey Performance Engineering from turning up the volume. The Sealy, Texas-based company on Tuesday announced a turnkey version that will see the super truck's output dialed to a staggering 1,012 horsepower and 969 pound-feet of...