Dodge Challenger Hellcat | Redeye Custom Tuning

Dodge Challenger Hellcat & Redeye Custom Tuning with HP Tuners

Take your Dodge Challenger Hellcat | Redeye to the next level with N2 Speed’s Custom Tuning Calibration. Whether you’re running a stock blower, upgraded pulleys, long-tube headers, E85, bigger injectors, Cam or a full race setup, our performance calibrations deliver maximum horsepower, improved throttle response, safer boost management, and unmatched drivability on the street or track.

Built using real-world dyno data and years of Mopar tuning experience, our Hellcat/Redeye tunes optimize every part of your PCM and TCM to safely extract the power your supercharged Hemi was built for.

 What You Get with N2 Speed Hellcat/Redeye Custom Tuning

✔ Peak Horsepower & Torque Gains

Expect stronger mid-range torque, harder pull up top, and improved acceleration whether you’re stock or heavily modified.

✔ Optimized Air/Fuel & Spark Tables

We dial in fuel trims, power enrichment, timing curves, knock control, torque and airflow mapping for reliable, repeatable power.

✔ Boost & Supercharger Efficiency

Perfect for:

• 2.72 / 2.85 / 3.00 pulleys

• Ported snouts & bigger throttle bodies

• Full bolt-ons

• E85 conversions

• Race fuel setups

• Upper/lower pulley combos

✔ Transmission (TCM) Adjustments

• Faster, firmer shifts

• Improved shift points

• Better torque management

• Stronger WOT performance

✔ Enhanced Throttle Response

Removes factory delays for crisp acceleration and better drivability.

✔ Safe & Reliable

All calibrations maintain safe knock thresholds, IAT-based protections, torque management, and proper fueling for long-term reliability.

⚙️ Supported Vehicles

• 2015–2023 Dodge Challenger SRT Hellcat

• Challenger Hellcat Widebody

• Challenger SRT Redeye

• Challenger Jailbreak

What’s Included

• Full custom HP Tuners engine tune

• Optional transmission tune

• Data log review & revisions

• Support for bolt-ons or full build packages

• Step-by-step setup instructions

Requirements

• HP Tuners MPVI2/2+/3/4 or RTD+ device

• Correct PCM unlock service (available on N2Speed.com)

• 2018+ Security By-Pass Cable

• Windows laptop for flashing

Why Choose N2 Speed?

N2 Speed is trusted nationwide for safe, powerful Mopar tuning. We’ve calibrated thousands of Hellcat and Redeye cars, from daily drivers to 1,000+whp builds. Our files are built using dyno-proven data and real-world street testing to ensure best-in-class performance.

Give Your Hellcat or Redeye the Tune It Deserves

Unleash the full potential of your supercharged Hemi with N2 Speed’s custom HP Tuners calibration. Instant throttle response, harder pull, cleaner shifts, and maximum power—done the right way.

Order your custom tune today and experience the difference.