NX - 1st Gen (2015-2021)

JB4 & NX200t

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Old 02-19-20, 11:55 AM
  #1  
DOUGLis350
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Default JB4 & NX200t

Had to get a mechanic to put this in because I could not release the tab to pull the plugs out of the TMAP and MAP sensors. He had a difficult time with it too. but $80 later at least it is in.

Initial Review: It seems to pull quite a bit harder but not ridiculously more. I have it set to map2 right now and I also got a K&N drop in filter for right now. I don't think I want the crazy sound of the AEM open element filter. To me the car drives like it probably should have from the factory. I would call it 'peppy' not fast but totally worthwhile. Ended up being more than I wanted, it was $569 with the iOS connector and $80 to install and I may have to figure out how to remove for warranty work as I have a 5 year warranty with it or just leave it in and see what they say.
Turbo Lag is unchanged I would say.

Conclusion: 8/10 and would rate it as a must have it you prefer a car with more spirited drive. Does not make it a sportscar but probably how it should have been from the factory.
Old 02-22-20, 09:30 PM
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Moisture
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I'd rather get an actual ECU tune. Jb4 is just a piggyback chip which sort of tricks the ecu
Old 02-23-20, 03:27 PM
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Kira X
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I never knew there was a JB4 setup for the NX. Thanks for the review.
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