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For higher-horsepower, custom-tuned installations on your 2015-2019 6.4L Dodge Challenger, we recommend a tuner kit, which does not include fuel injectors, fuel pump voltage booster, MAP sensor or ECU programmer. This requires you or your installer to provide custom calibration and the required fuel components. The V-3 Si-Trim supercharger included with the tuner kit is capable of up to 775 HP, and the included air-to-water charge cooler (12.00” x 4.90” x 4.90” = 288cu-in volume) is 60% larger than 2006-2010 HEMI core, and capable of supporting 1,000+ HP on modified vehicles. For higher output or high-performance racing vehicles, please contact Vortech for more information on what other options may be available.