DiabloSport Performance Programmer

2018 Ram 1500 5.7L HEMI

8321-AR

Overview:

The DiabloSport inTune i3 Platinum Performance Programmer is a powerful handheld tuner designed to unlock the full potential of your 2018 Ram 1500 with the 5.7L HEMI engine. Ideal for enthusiasts seeking an easy and effective way to increase horsepower and torque without mechanical modifications, this programmer offers pre-loaded, dyno-tested performance tunes tailored specifically for your truck. With simple plug-and-play operation, you can enhance throttle response, optimize drivability, and customize your vehicle’s performance in minutes.

Perfect for drivers who want more power and improved driving dynamics, the inTune i3 Platinum also supports PCM swaps and is compatible with Custom Master Reflash (CMR) tunes, providing flexibility for advanced users. Whether you want to disable the speed limiter, adjust the speedometer for larger tires, or remove the Multi-Displacement System (MDS), this programmer delivers comprehensive control over your Ram’s powertrain settings.

Key Features:

The DiabloSport inTune i3 Platinum offers a robust set of features designed to maximize your Ram 1500’s performance and drivability:

• Preloaded with multiple performance tunes for 87, 91, and 93 octane fuels
• Includes a one-time unlocked PCM cross shipment for Chrysler vehicles
• Boosts horsepower and torque with no additional tools required
• Adjusts throttle response for quicker acceleration
• Disables Multi-Displacement System (MDS) for consistent power delivery
• Removes factory speed limiter and calibrates speedometer for taller tires
• Disables traction control for enhanced off-road or performance driving
• Preloaded Transmission Control Module (TCM) tune for improved shifting
• Full-color, touch screen display with intuitive menu navigation
• Data logging capabilities with 5-volt inputs and direct streaming to DV2 software
• Reads and clears diagnostic trouble codes (DTCs) for easy maintenance
• Multiple license capability allows tuning of more than one vehicle
• Wi-Fi enabled for easy software updates and custom tune uploads

Construction & Design:

The inTune i3 Platinum is housed in a durable ABS plastic case designed for handheld use, featuring a vibrant full-color touch screen that provides clear, easy-to-read menus and data. Its compact dimensions (approximately 6 inches wide by 5 inches long and 2.5 inches deep) make it portable and user-friendly. The device is engineered to interface seamlessly with your Ram’s PCM, ensuring reliable communication and tuning accuracy. Its robust software supports both Windows and Mac platforms, enabling straightforward custom tune management and data analysis.

Performance & Sound

With the inTune i3 Platinum, expect a noticeable increase in bottom-end horsepower and torque, especially when running on 93 octane fuel. The enhanced throttle response delivers quicker acceleration and a more engaging driving experience. The included TCM tune improves transmission shift quality and responsiveness, contributing to smoother and more efficient power delivery. While the programmer does not directly alter exhaust sound, the improved engine performance can result in a more aggressive and confident driving feel.

Installation & Fitment:

Installation is simple and requires no mechanical modifications. The programmer connects directly to your Ram 1500’s OBD-II port, allowing you to upload performance tunes and make adjustments within minutes. This kit includes a PCM swap option, where you submit a cross-ship form to receive an unlocked PCM, making it ideal for vehicles requiring reprogrammed modules. The inTune i3 Platinum is specifically designed for the 2018 Ram 1500 5.7L HEMI engine and is also compatible with 2019–2024 Ram 1500 Classic 5.7L models.

What's Included:

• DiabloSport inTune i3 Platinum Performance Programmer
• One-time unlocked PCM cross shipment for Chrysler vehicles
• PCM cross-ship return shipping label
• Preloaded performance and TCM tunes for multiple fuel grades
• Instruction manual

Ideal For:

This performance programmer is ideal for Ram 1500 owners who want to increase horsepower and torque without complicated engine modifications. It suits enthusiasts looking to improve throttle response, transmission performance, and overall drivability. It is also perfect for those who need to recalibrate speedometers for larger tires or disable factory speed limiters and traction control for off-road or performance applications.

Emissions Note

This product is not CARB (California Air Resources Board) compliant and is not legal for use in California or other states with similar emissions regulations.

DiabloSport makes handheld tuners and ECU tuning solutions aimed at unlocking additional performance and improving drivability for many late-model domestic trucks and muscle cars. Their devices and supported tuning ecosystem are commonly used to optimize engine and transmission calibrations after mods like intakes, exhaust, or gearing changes.