Hennessey & Fox Factory Release MAMMOTH 400

The brands will produce just 250 units worldwide to celebrate the final HEMI-powered RAM truck...

Hennessey has partnered with Fox Factory to produce a limited run of 2024 RAM 1500 sport trucks. As the last truck to feature a HEMI engine, the 5.7-liter V8 Ram 1500 Laramie is treated to a list of exterior modifications to enhance aesthetics and performance.

“We are excited to partner with FOX to build a special sport truck with a uniquely American livery for the final Hemi V8-powered Ram trucks. Our MAMMOTH 400 Ram celebrates American independence with patriotic colors combined with the ‘fireworks’ that only the Hemi V8 engine can deliver,” said John Hennessey, company Founder and CEO.

Hennessey & Fox Factory Release MAMMOTH 400 | THE SHOP

The MAMMOTH 400 receives unique paintwork, offering customers with the choice of iconic Viper Red, Viper White or GTS Blue, each accented by distinctive full-length twin Viper Stripes – a nod to Hennessey’s early roots in the Dodge SRT Viper community.

The FOX / Ridetech suspension system lowers the center of gravity and improves performance, while power is pushed to 420 hp. Like all Hennessey vehicles, the sport truck is given a sinister look courtesy of an aggressive body kit including side skirts, a deeper custom front bumper and a carbon fiber splitter.

Customers can further enhance their truck’s appearance by opting for 22-inch wheels in either satin black or a gloss black milled dark tint.

Hennessey & Fox Factory Release MAMMOTH 400 | THE SHOP

“In our pursuit to constantly raise the bar on performance in both on-road and off-road premium vehicles, we are thrilled to collaborate with our friends and fellow automotive pioneers, Hennessey Performance. It is a partnership that speaks to the hearts of automotive enthusiasts as both companies share a commitment to excellence, next-level performance and cutting-edge innovation,” said Mike Dennison, Fox Factory CEO.

Only 250 units are available globally for 2024 with each model sporting Hennessey badging and a serial-numbered engine plaque. The trucks are available exclusively through authorized Chrysler, Dodge, Jeep, or RAM dealers, benefiting from Hennessey’s 3-year / 36,000-mile limited warranty.

Pat Curtin

Pat Curtin is the managing editor of THE SHOP magazine.

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