Tag: Hellcat RAM TRX

Making Mopar's supercharged Hellephant 426 HEMI crate engine feel at home inside a RAM TRX has been an ongoing project here at Hennessey. With the calibration phase of Hennessey's Hellephant-swap process complete, it was time to visit the Pennzoil Proving Ground to put this astou...

RAM's Hellcat-powered TRX truck is a 10 out of 10. Hennessey's MAMMOTH 1000 performance upgrade makes it an 11. Every MAMMOTH upgrade is expertly installed, diligently calibrated, and supported by world-class customer service and Hennessey's limited warranty guarantee. Upgrad...