Description
Dodge Charger Hellcat Custom Tune | HP Tuners – N2 Speed
Unleash the full potential of your Dodge Charger Hellcat with a precision-built custom tune designed specifically for your setup. Whether you’re running a stock blower or a full bolt-on build, N2 Speed delivers safe, repeatable horsepower gains using the industry-leading HP Tuners platform.
Our Hellcat calibrations are engineered to improve peak power, throttle response, drivability, and overall performance while maintaining factory reliability. Every tune is created using real-world data, dyno-tested strategies, and the same calibration methods we use on 8-second modern Mopar builds.
What You Get
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Custom ECU calibration built for your exact mods
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Optimized fueling, spark, torque management, and throttle control
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Smoother power delivery and stronger mid-range pull
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Improved shift scheduling for 8HP automatic transmissions
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Better cold start, idle stability, and tip-in response
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Support for mods including:
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Upper/lower pulley upgrades
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Injectors & fuel system mods
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Cold air intakes
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Long-tube headers
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E85 / Flex Fuel setups
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Ported blowers, snouts, and throttle bodies
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Boost-only or nitrous-assisted builds
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Requirements
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HP Tuners MPVI2/MPVI3/MPVI4 or RTD device
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Latest VCM Suite installed
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Datalogging required for final calibration
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Additional modifications may require extra credits
- Unlocked PCM
? How the Process Works
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Place your order
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Send us your stock file + vehicle/mod list
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We build your initial tune
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You run logs → we review → we update
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You receive your finalized Hellcat calibration
Most customers receive their first file same day or next business day.
Why Choose N2 Speed?
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Decades of Dodge & Hellcat-specific tuning experience
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Track-proven calibrations used in ¼-mile, roll racing, and street builds
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Safe, reliable strategies that protect your engine & supercharger
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Real customer results: smoother drivability + big power gains
