DiabloSport inTune i3 Platinum + Modified PCM Kit for 2021 Dodge Challenger 5.7L/6.4L HEMI (PKITCHALV821-I3)

This DiabloSport kit pairs an inTune i3 handheld tuner with a vehicle-preprogrammed modified PCM for compatible 2021 Dodge Challenger 5.7L and 6.4L models. It includes preloaded performance tunes, 8-speed transmission tuning, and end-user adjustments.

Overview

The inTune i3 offers 93-octane Diablo, 91-octane, and Performance tune options. On 93 octane, stated gains are up to 20 rwhp and 18 rwtq, or up to 25 rwhp on the 6.4L.

The kit includes an 8-speed transmission tune and adjustments for speed limiter, cooling fan targets, tire size, WOT fuel, and WOT spark.

The full-color touchscreen tuner supports Wi-Fi updates, data logging, diagnostic code reading and clearing, and multiple licenses.

The modified PCM is preprogrammed for the vehicle, serves as an OEM replacement, and is unlocked for use with DiabloSport devices. The manufacturer describes the PCM as shipped through a one-time cross-shipment.

Features

• Preloaded 93-octane Diablo, 91-octane, and Performance tunes
• Up to 20 rwhp and 18 rwtq on 93 octane; up to 25 rwhp on 6.4L
• 8-speed transmission tune included
• Speed limiter on/off adjustment
• Cooling fan target adjustment from 150° to 230°
• Tire size adjustment from 20 to 44 inches
• WOT fuel adjustment of +/- 20% from 1,000 to 7,000 RPM; WOT MBT spark and WOT spark adjustments of +/- 10
• Full-color touchscreen, Wi-Fi updates, data logging, and diagnostic code reading and clearing

What's Included

• inTune i3 handheld programmer
• Modified PCM preprogrammed for the vehicle
• Windshield mount
• Instruction manual

Specifications

• Brand: DiabloSport
• Part number: PKITCHALV821-I3
• Fitment: Compatible with 2021 5.7L/6.4L Challenger
• Emissions: Legal under the provisions of EPA's Tampering Policy - Not legal in CA
• UPC: 810065212818

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

Which vehicles does this kit fit?

It is compatible with 2021 Dodge Challenger models equipped with the 5.7L or 6.4L engine.

What performance gains are stated?

On 93 octane, the listed gains are up to 20 rwhp and 18 rwtq, with up to 25 rwhp on the 6.4L.

Is this kit legal in California?

It is legal under the provisions of EPA's Tampering Policy, but it is not legal in California.

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.