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PULSAR Module for 2015-2018 Ram 6.4L Hemi Engine Trucks - 32452

Suggested retail: $693.00
Your Price: $622.95
  • Due to growing demand and increased order activity, please allow for 1 to 2 additional days for online shipments.

    In Stock. Orders placed by 2 PM MT, with the exception of weekends and holidays, will ship the same business day. Please allow 48-72 hrs for 2015+ Chrysler PKIT and PCM products. Want to Buy Now and Pay Later? Click Add To Cart and see how you can spread your payment over 3, 6, or 12 months with Affirm

    Product Details

    Ram Trucks 6.4L Hemi Engine- Introducing a ground-breaking product: Pulsar. The Pulsar is an in-line computer that connects directly to the vehicle PCM, eliminating unnecessary wires in the engine compartment. By connecting directly to the trucks PCM, Pulsar has the ability to control the vehicle's signals to optimize performance gains, throttle response, MDS controls, mileage, and more. Adjust for tire size or gear ratio with the Pulsar. To make things even better, the Pulsar offers 8 performance levels that are changed by using the vehicle cruise control + and buttons on the steering wheel. Pulsar installs in minutes and is the most exciting and innovative product on the market for 2015-2018 Ram 6.4L Hemi engine trucks!

    The Pulsar just got a major overhaul including new coverage, new design, and new features. Now, the Pulsar for 15-18 Hemi features a sleek new case with improved internals and quality. The Pulsar is now even more durable, more functional, and built with better materials and design. The 15-18 Hemi also now gains the ability to read and clear diagnostic trouble codes right through the Pulsar. The best, just got better!



    User-adjustable power levels via cruise control buttons

    Adjustable power levels on-the-fly

    Tire Size: 20" to 59"

    Gear Ratio: 2.00 - 5.99

    Improves economy, towing capabilities, and performance

    Up to 8 performance levels

    Power level displayed on OEM dash

    Adds up to 25 HP and 40 ft-lbs TQ

    Advanced ignition timing (spark)

    User-selectable MDS on/off

    Adjusts accelerator pedal response


    You must configure your vehicle to view Product Features

    This product is 50 state legal and is covered by CARB EO# D-802-1.

    PULSAR Module for 2015-2018 Ram 6.4L Hemi Engine Trucks is rated 4.3 out of 5 by 15.
    Rated 5 out of 5 by from Works as stated I bought this a month ago and have been working through the different power levels, and I have to say that the unit works as it is described. Gas mileage is better not outstanding but I didn't expect that big of a jump and it all depends on how heavy your foot is..... The performance settings are amazing and you really have to watch what you are doing with the increase in the throttle response. I like the change on the fly feature. I had a little bit of a challenge on the install as the 6.4L ECM is in front of the air box with minimal space but it is doable. It was worth the money to have these options and performance.
    Date published: 2019-04-26
    Rated 1 out of 5 by from When it actually works its great I bought this and installed it, It helps the truck to tow so much nicer. Throttle response is better, seems to hold gears better. BUT... the random P0335 CKP code and engine stalling with no notice is not desirable or safe especially with a loaded trailer. I know for a fact it is the PULSAR causing this and not the truck. It would be one thing if Diablo would stand behind their product but they will not return emails or technical support requests, also I have sat on hold for hours now (not at one time) to never have anyone answer the phone. Like I said when it worked, I really liked it, but sitting in a box in my shop is not the idea spot for $500.00+ tuner. I cannot recommend this to anyone. I would just bight the bullet and buy an aftermarket PCM and get a custom tune.
    Date published: 2021-03-22
    Rated 5 out of 5 by from Good product I have a 2018 ram 2500 power wagon. Only issue was installing the product. It’s a very tight fit and instructions need to be adjusted. After installing pulsar to pcm clip cables to pulsar before re-installing whole unit to bracket otherwise it’s next to impossible to clip them on otherwise
    Date published: 2019-06-28
    Rated 3 out of 5 by from Did not meet my expectations I bought the pulsar mainly for the economy feature. Once installed, it actually made the fuel economy worst. However the performance and towing was awesome. To include the shift on the fly
    Date published: 2019-03-03
    Rated 3 out of 5 by from Nice features I bought it a month ago to improve on mileage and haven't noticed much difference
    Date published: 2019-03-23
    Rated 5 out of 5 by from Wow! It shipped very fast even with the covid going on. installation was easy, I noticed right away a different in throttle response in performance mode. Towing mode worked awesome as well on my 2018 power wagon. I used to run one razor up north and would get 11 mpg but after the pulsar was installed I ran the same trip with 2 razors on a heavy equipment trailer my mpg went up to 13 also that was with new 35" tires instead of the factory 33" tires.
    Date published: 2020-11-01
    Rated 5 out of 5 by from It really does what they say it does. I bought a Pulsar to help the throttle response on my 2018 6.4 Ram. Totally amazed how the performance increased. Throttle response is crisp. I pull a 35 foot 5th wheel camper and I am waiting to hit road. I have put a few miles on the test to performance of the Pulsar. All I can say is WOW....!!!!! I am impressed!
    Date published: 2021-04-12
    Rated 4 out of 5 by from My Pulsar I have had the Pulsar plugged in now for a month or more and can definitely feel the difference in power. If you are buying this hoping to get better gas mileage well I havnt really noticed a difference in that. Easy to use and love being able to use it as I'm driving down the road
    Date published: 2020-12-09
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    How do you make changes on the fly with is unit if there is no display unit? What are the benefits to the ones with the display and what's the difference between the different models?

    Asked by: Panelbeater dude
    the Pulsar displays your info and power levels right on the factory dash in the truck. Adding a Trinity monitor allows you to view what the truck is doing, but is not specific to the use of the Pulsar.
    Answered by: DSMike
    Date published: 2022-05-17

    Does this remove the top speed limit on a 2018 Ram 3500 DRW

    Asked by: On time
    Great question 
    Answered by: Happiercusty
    Date published: 2020-10-24

    I have 2018 RAM 6.4 HD2500 that is still under factory warranty. If I remove the Pulsar before I take the truck to the dealer for repairs, will they be able to detect if the PCM has been tampered with? Such as plug-unplug etc?

    Asked by: Easydreamer
    No, they won't be able to see any of those changes.
    Answered by: Marketing MB
    Date published: 2020-10-24

    can I use this on 2018 ram 3500 with 6.4l hemi?

    Asked by: Battlecat
    Yes, for sure!
    Answered by: Marketing MB
    Date published: 2020-10-24

    Can custom tunes be added to it.

    Asked by: Knight
    Negative. For the best price available, give us a call at the number below. 866-404-6141 DIAL 5
    Answered by: Moises
    Date published: 2020-02-08

    When towing with the Pulsar in my Ram 2500 6.4L Hemi, do I use tow/haul on the truck along with tow mode on the Pulsar or just tow mode on the Pulsar?

    Asked by: BFSrocker
    Yes, you can still run the factory tow/haul mode the tow/haul button on your truck will help with the shifting and the preloaded tunes will interact flawlessly with the different modes. For more information and the best price available, give us a call at the number below. 866-404-6141 DIAL 5
    Answered by: Moises
    Date published: 2020-04-27

    Will this work with a 2019 ram 2500 6.4 Hemi or when will it be released for the 2019? 

    Asked by: Olson21
    We are expecting to provide tuning support for the 2019 ram 2500 6.4 Hemi stay tuned!
    Answered by: Moises
    Date published: 2020-11-18

    Will this work for challenger 6.4 scatpack

    Asked by: sharkinfested84
    Unfortunately, no the Pulsar does not work on Challenger 6.4. However, we have a few products available for your vehicle, like the Intune i3, Trinity 2. Please give us a call at the number below and we can discuss all the options available, and answer any additional questions you may have. 866-404-6141 DIAL 5
    Answered by: Moises
    Date published: 2019-11-04
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