Both of these vehicles sport supercharged V8 engines, but the similarities end there. After this RAM Hellcat-powered TRX truck received Hennessey's MAMMOTH 900 performance upgrade, we wondered how it might compare to a Camaro ZL1 1LE's muscle. We headed to the Pennzoil Proving Ground for answers. Get a warranty-guaranteed 900 or 1000 HP performance upgrade for your TRX (or any other Hellcat-platformed vehicle!) with Hennessey: 979-885-1300 | http://www.HennesseyPerformance.com | Hennessey Perfor

GT500 DRAG RACE - Here's a clip from our American face off video where the brand new 2020 Mustang Shelby GT500 goes head to head with its direct competitors. We did a drag race followed by a roll race to remove the launch from the equation. Loud exhausts, crazy superchargers, and a whole lot of fun | Throttle House

John Hennessey and team answer the question: Which car is faster, Hellcat Challenger or ZL1 Camaro? Check out the video to see for yourself. Stock not enough? Contact the team at Hennessey Performane for more power and performance! | Hennessey Performance