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AEM 30-0311 X-Series All in One OBDII OBD2 Digital Datastream Gauge Review Real Street Performance

August 28, 2019

AEM recently released a new OBD2 gauge and here’s why we think it’s perfect for those of you who don’t like wiring, but also don’t want to clutter your interior with a bunch of gauges. Monitoring your engine’s vitals can help you become a more consistent racer and catch problems before they become a failure. The typical downsides to monitoring your engine’s vitals inside the car is that it usually takes a laptop or having several gauges on the dash that end up making you feel like maybe you’re in the Delorean from Back to the Future or a space shuttle instead of your car. This product displays multiple data channels that your OBD2 ECU is already internally monitoring like boost, air/fuel ratio, ethanol content, intake air temperature and more. All in one gauge that you can cycle through with the click of a button on the face. Now you can have almost all of your data in one 52 millimeter gauge that fits in most common gauge pods and mounting solutions. It’s only 0.825 inches thick overall and only 0.2 inches of that is cup depth. So it’s really easy to mount anywhere. My favorite part about this is that anyone can install it and use it within seconds. You can forget about cutting wires, stripping wires, soldering wires, looking through forums and user manuals trying to find a key on power wire. All of that goes away because it’s 1 plug-and-play OBD2 connector for the entire installation. We stock these gauges at Real Street Performance, and they’re ready to ship today. Shipping is free within the continental United States and our international shipping rates are extremely competitive. If you have any questions please post them in the comments below or feel free to contact us through phone calls, text messages Whatsapp, email or any of the other contact methods we have listed below. Please share and subscribe for more insider tech tips, new product releases and free advice. Thanks and see you next time.


  • Reply 8hour October 14, 2016 at 8:06 pm

    Thats a cool product!

  • Reply Qck 2spool October 14, 2016 at 8:10 pm

    When used to view afr is it going to display it in lambda?

  • Reply H23 beltran October 14, 2016 at 8:13 pm

    how much??

  • Reply ReZiDenTEv1L October 14, 2016 at 8:20 pm

    that's cool is there anyway you can put two or more like link them

  • Reply Bitcoin And Ethereum October 14, 2016 at 9:30 pm

    where's JAY!!!!!!!

  • Reply JmRR27 October 14, 2016 at 10:02 pm

    How much it cost To Ship it To Puerto Rico?

  • Reply Jani Miettinen October 14, 2016 at 10:28 pm

    Is it too much to hope for this being compatible with my 98 Aristo that is OBD2, but JOBD standard?

  • Reply AlexSerban October 14, 2016 at 11:23 pm

    why not just use a  tablet and display everything u want at once and customise it aslow to to you. this gaugage only displays one value at the time . A tablet kan do 10 of those and have warning functions at the same time invidualy on eatch gauage

  • Reply ak stunt October 15, 2016 at 1:17 am

    Does this work with JOBD as well?

  • Reply Mishal October 15, 2016 at 7:38 am

    So this will show AFR ? FYI i have the second sensors (cat sensors ) off that will not affect it right?

  • Reply Gurmukh Chhokar October 16, 2016 at 8:27 am

    does it have an setting for cycling through the gauges automatically?

  • Reply Doug Swartz October 18, 2016 at 1:02 pm

    But won't work for a stand alone ecu right

  • Reply Raul Maestre July 28, 2017 at 12:43 am

    Does it work on 2013 mini cooper s?????

  • Reply EJ IX October 15, 2017 at 5:38 pm

    Will all the features function on my 2006 EVO 9???
    Video description reads "2008+ ONLY"

  • Reply Ken Ly February 27, 2018 at 5:24 am

    Which setting is the Air/Fuel Ratio?

  • Reply CK_32 March 16, 2018 at 4:55 am

    They have a AFR/fail safe/boost guage version like their old fail safe combo gauge?

  • Reply Harvey Wong June 26, 2018 at 10:14 am

    Does this work on a 2017 Infiniti Q60?

  • Reply avery mcfadden July 14, 2018 at 8:21 pm

    Does it actually only work on 08+ cars or does it work in any obd2 car

  • Reply Reg Pro December 29, 2018 at 1:03 pm

    Does it work on a toyota aristo say 99. If so, is boost monitored?

  • Reply Emanuel Vegaaviles March 23, 2019 at 10:13 pm

    None of the air fuel ratio questions from potential costumers were answered, is it because it doesn’t go that far? AFR is not possible ?

  • Reply Jason Robles April 30, 2019 at 3:29 am

    What do you select for the gauge to display boost

  • Reply Mr. PvE May 28, 2019 at 6:51 pm

    WoW for $150 you would think it would work with most cars that have a OBD2 but NO just 2008+. I got a bluetooth obd2 plug from Amazon for $10 that works with car as far back as 1998. If the car has a OBD2 on it it work 90% of the time with a free app and if you pay $10 for the pro app it shows you even more then what the AEM one can. Not bad for $20, I guess what am saying is just pass this one up and look around for something better.

  • Reply Rc Basher Boi July 2, 2019 at 1:44 am

    So I bought this to install in my 2004 Toyota matrix Xrs and I had no luck. Gauge didn't read a thing… I understand that these are meant for vehicles that are 2008 and newer. Am I still out of luck? My vehicle has the stock ECU. Is there a possibility to make this gauge work in my car?

  • Reply Calvin Marajah July 9, 2019 at 11:53 pm

    Will this work on my 2008 VW golf?

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