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the Hennessey Mammoth 1000 TRX claimed to be the world’s most powerful pickup truck. It was based on the Ram 1500 TRX, but several aftermarket performance upgrades made improvements to its ...
What better way to celebrate Independence Day than with an all-American pick-up truck that pays homage to the Hemi V8 engine? Meet the Hennessey Mammoth 400 Ram Sport: a partnership between the ...