Return to RR Racing Lexus IS250 OBD ECU Upgrade Tune

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2014 is250 f sport awd June 1, 2024 Reviewer: Wasif Mirza from Schenectady , NY United States   amazing tune, you can tell the difference after the break in even without the some mods you can still feel a difference. It’s well worth the money and the installation process was very easy and straight forward. I recently purchased the intake with drop in filter so I’m waiting to test the tune with it I’m sure it’ll be well worth the price for the realistic power. Was this review helpful to you?

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good April 30, 2024 Reviewer: LIN CHIA HAO from New Taipei City, Taiwan   good Was this review helpful to you?

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Great January 13, 2024 Reviewer: Mathew Awua from Mechanicsburg, PA United States   I highly recommend this item. It works great. Was this review helpful to you?

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2014 Lexus IS250 Tune December 26, 2023 Reviewer: Tysyn Rolle from Houston, TX United States   This is probably the best performance upgrade and overall value for any Lexus IS250.  With a good cold air intake, free flowing exhaust system, and Apexi Smart Accel throttle controller, adding the RR Racing tune made my 2014 Lexus IS250 perform like a totally different vehicle.  I’m able to compete in acceleration with vehicles that have significantly higher horsepower ratings.  The tune is a must have for anyone who wants more power and acceleration from their IS250 without losing reliability and fuel economy. Was this review helpful to you?

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RR racing tune Lexus is250 October 21, 2023 Reviewer: Thomas Hayek from Herriman, UT United States   An amazing product! Definitely a noticeable difference!  Really wakes the car up, especially paired with the apexi throttle controller! Very happy with my purchase. Was this review helpful to you?

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2014 is250 August 9, 2023 Reviewer: Joshua Courier from Huntsville , AL United States   Excellent upgrade for ECU, smoothed out power curve, smoothed out transmission shifting. Worth the money in my opinion Was this review helpful to you?

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Great tune made all around driving so much better July 31, 2023 Reviewer: Justin O'Donnell from Cornelius, NC United States   I got it and some other performance items as in intake and injectors.  The tune let it all work together and perform better. Only thing is once I got my tune I’ve tried reaching out to RR racing for some questions but am getting nothing back. Was this review helpful to you?

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RR Racing is the best facts June 6, 2023 Reviewer: George Cartagena from Kissimmee , FL United States   You guys all did an amazing job with the tune and air intake for my Lexus is250 when I was down and out RR Racing showed me how it’s done thank you guys ! Was this review helpful to you?

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Smooth Power Curve & Shift Points April 29, 2023 Reviewer: Jetson Chong from Edmonton, AB Canada   All of the Lexus IS250s should have came like this stock to begin with! I drive a 3rd gen IS and all I can say is this is a great tune for such smoother shift points and way easier time getting up to speed in the top end of the power curve! Hit 170kmh (105mph) a lot quicker than stock! Great tune! Also noticed driving normally seems to be a lot smoother with the shifts, and the throttle response is a lot more lively. Was this review helpful to you?

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2006 IS250 6 Speed Manual March 22, 2023 Reviewer: Him from Texas   After driving it stock for a year the tune made it feel like a different car. Worth it. Was this review helpful to you?