Hellcat Testimonials

Hellcats upgraded by Hennessey Performance have received rave reviews from its customers. Watch customers praise our 900 HP and 1000 HP Hellcat upgrades not only for its impressive acceleration and speed, but also its incredible handling ability. Whether it is the H1000 or H900 upgrade, Hennessey has the ultimate upgrades for all Hellcat engines. It’s easy to see why it has become such a popular choice among Mopar enthusiasts. 

Sealy, TX - 08.21.21

Hennessey Hellcat Durango + 900 HP UPGRADE // First Reaction!

The Dodge Durango SRT Hellcat may be quick enough for most, but Hennessey Performance knows some folks always need more. We are proud to offer reliable, warranty-guaranteed HPE900 and HPE1000 performance upgrades for the Hellcat Durango as well as any other Hellcat-platformed vehicle! 


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