2017 WRX 4k-5K Stutter?
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This is a discussion on 2017 WRX 4k-5K Stutter? within the Engine Modifications forums, part of the Tech & Modifying & General Repairs category; SO I been researching that the 2015 and 2016 WRX FA20 Engine had a power stutter between 4k-5k RPM for ...

  1. #1
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    2017 WRX 4k-5K Stutter?

    SO I been researching that the 2015 and 2016 WRX FA20 Engine had a power stutter between 4k-5k RPM for those who currently have a 2017 model year. Does this issue still persist or did Subaru fix the issue? Otherwise I know I'm looking at a Cobb Accessport to retune the stock map after the break in period.

    Still waiting for my 2017 Limited CWP WRX to arrive! (ordered it on 6/7/16)

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  3. #2
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    Peaks at around 4k. No pull after that. Not necessarily stutter, just loss of any gain.

    Sent from my Nexus 5X using Tapatalk

  4. #3
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    A tune will fix this.

    Sent from my Nexus 5X using Tapatalk

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