DiabloSport PredatorX Smartphone Tuner with PCM Swap for 2019-2022 Ram 1500 TRX and 2018-2023 Durango Grand Cherokee Trackhawk - DS-MFD18M
$477.95
DS-MFD18M
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The DiabloSport PredatorX DS-MFD18M is a smartphone tuner kit with a PCM swap and security gateway bypass for the 2019-2022 Ram 1500, 2021-2024 Ram TRX, and 2018-2023 Dodge Durango and Jeep Grand Cherokee including Hellcat and Trackhawk. The cross-shipped PCM arrives unlocked and programmed for your vehicle; the OBD-II dongle and phone app then load the tune.
DiabloSport's published gains on premium fuel: 30 or more rwhp on TRX, Trackhawk and Durango Hellcat, up to 30 on 5.7L and 6.4L Rams, and 20 to 25 on 5.7L and 6.4L SUVs. Multiple octane tunes and an 8-speed transmission tune are preloaded.
Vehicle compatibility
- 2019-2022 Ram 1500 5.7L (non-Classic) and 2021-2024 Ram 1500 TRX 6.2L
- 2018-2023 Dodge Durango 5.7L, 6.4L and Hellcat
- 2018-2021 Jeep Grand Cherokee 5.7L, 6.4L and Trackhawk
- 2019-2024 Ram 1500 Classic and the LX cars use the DS-MFD18C
- Prefer a handheld or dash display? inTune i3 8322-X or Trinity 2 9322-X
Tuning and adjustment features
- One-time PCM swap and the required bypass module included; return shipping for the factory module is covered
- Preloaded multi-octane tunes with an 8-speed TCM tune
- MDS disable, auto start/stop (ESS) disable, traction control off, cooling fan target
- Tire size up to 44 inches and axle ratio 2.56-5.38 for the speedometer, speed limiter removal, idle speed, rev limiters
- 2019 and newer Ram 1500 option toggles: blind spot monitor, panic button, power steps, tow package and trailer brake, center high-mount stop lamp type, daytime running light type, and start-up splash screen (Laramie, Big Horn, Longhorn, Rebel, TRX and others)
- Live data, read and clear codes
What is in the box
- PredatorX OBD-II dongle
- Security gateway bypass module
- Quick start guide and PCM swap instructions
Installation and limitations
Install the bypass behind the dash, plug in the dongle and connect the app; it reads the vehicle information needed for the swap and sends you to the PCM swap form, where you enter your VIN. A $1.01 pre-authorization is taken and the unlocked PCM ships to you. Save the stock calibration, install the new PCM, load a tune, and return the original in the packaging provided. Not for use in California.
Specifications
- Part number: DS-MFD18M
- Brand: DiabloSport
- Emissions: Not legal for sale or use in California
- Warranty: 1 year manufacturer warranty
- Country of origin: United States
- Packaged size: 6 x 5 x 2.5 in, 1 lb
- UPC: 810065217608
Frequently asked questions
How does DiabloSport get my VIN?
Through the PCM swap form inside the PredatorX app, after the dongle reads your vehicle. Nothing is needed at checkout.
Does this fit the Ram 1500 Classic?
No. The Classic uses the DS-MFD18C kit. This one is for the fifth-generation Ram 1500 and TRX plus the Durango and Grand Cherokee.
Do I have to send my old PCM back?
Yes. It is an exchange and DiabloSport covers the return shipping. Return it within their stated window or the pre-authorization becomes a charge.
Can I change the start-up splash screen?
Yes. On the 2019 and newer Ram 1500 the app can set the cluster splash screen to Laramie, Big Horn, Longhorn, Rebel, TRX and other trims, along with other option toggles.

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$477.95
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