DiabloSport inTune i3 Platinum + Modified PCM Kit for 2021 RAM 1500 5.7L eTorque 8-Speed (PKITDR57ET21-I3)

The DiabloSport inTune i3 with Modified PCM Kit includes a handheld tuner and PCM programmed for a 2021 RAM 1500 with the 5.7L engine, 8-speed automatic, and eTorque. It provides preloaded performance tunes, including an 8-speed transmission tune, and is rated to add 25-30 rwhp on premium fuel.

Overview

This kit pairs the inTune i3 handheld programmer with a DiabloSport Modified PCM for 2021 RAM 1500 5.7L eTorque trucks with an 8-speed automatic transmission.

Preloaded tunes are available for 87, 91, and 93 octane fuel. The manufacturer lists gains of 25-30 rwhp on premium fuel, along with adjustments for throttle response, idle speed, and other drivability settings.

The programmer includes an 8-speed performance transmission tune, diagnostic trouble code reading and clearing, data logging, and tire-size-based speedometer correction.

Before removing the stock PCM on a 2021 or newer vehicle, save the stock calibration with the tuning device. Emissions status: Legal under the provisions of EPA's Tampering Policy - Not legal in CA.

Features

• Adds 25-30 rwhp on premium fuel, as stated by the manufacturer
• Preloaded tunes for 87, 91, and 93 octane fuel
• Performance TCM tune for the 8-speed transmission
• Adjustable throttle response, idle speed, and rev limiter
• Speed limiter on/off control
• Read and clear diagnostic trouble codes
• Data logging and 5-volt data logging inputs
• Tire-size adjustment from 20 to 44 inches for speedometer correction
• Includes a PCM programmed to the vehicle and a bypass module or cable

What's Included

• DiabloSport inTune i3 handheld programmer (PN 8345)
• DiabloSport Modified PCM programmed to the vehicle
• Bypass module or cable

Specifications

• Brand: DiabloSport
• Part number: PKITDR57ET21-I3
• Fitment: Compatible with 2021 RAM 1500 - 5.7L 8-Speed Automatic with E-Torque
• Emissions: Legal under the provisions of EPA's Tampering Policy - Not legal in CA
• UPC: 810065212160

How Ordering Works

Enter your 17-digit VIN at checkout (and your PCM calibration ID if you have it). DiabloSport programs the replacement PCM to your vehicle before it ships, so it is ready to install. Not sure which kit your vehicle needs? Send us your VIN and we will confirm.

Want more than the preloaded tunes? Pair this with our Custom Diablo Tune, built for your exact parts and fuel by N2 Speed.

Frequently Asked Questions

What vehicles does this kit fit?

It fits 2021 RAM 1500 trucks with the 5.7L engine, 8-speed automatic transmission, and eTorque.

What does the kit do?

It provides preloaded performance tunes, an 8-speed transmission tune, and adjustment features including throttle response, idle speed, and tire-size-based speedometer correction. The manufacturer states 25-30 rwhp on premium fuel.

Is this kit legal in California?

No. Its stated emissions status is: Legal under the provisions of EPA's Tampering Policy - Not legal in CA.

Emissions notice: not legal for sale or use in California or on any pollution-controlled vehicle where prohibited. Check your state's rules before ordering.

Fitment help: call 954-507-6261 or email sales@americanmuscleperformance.net with your VIN and we will confirm the right part before you order.