IS - 3rd Gen (2014-present) Discussion about the 2014+ model IS models

apexi throttle controller

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Old Mar 28, 2020 | 03:23 PM
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Default apexi throttle controller

Hello friends. I have a Lexus IS300H 2015 and I want to order this part (apexi throttle controller) . I wanted to know from people who put it together. What advantages are disadvantages? Is it recommended or not? Thanks
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Old Mar 29, 2020 | 07:35 AM
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I don’t have it, but in this video he installed it to his and it kind of makes me want it.
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Old Mar 29, 2020 | 10:02 AM
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[QUOTE = KYLexusMkr; 10768635] אין לי את זה, אבל בסרטון הזה הוא התקין אותו אליו וזה די גורם לי לרצות את זה.
[/ QUOTE]


I saw this video too. I really want to install it. But want to hear recommendations from people who installed it What are the drawbacks? And does that cause a problem to the engine.
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Old Mar 29, 2020 | 12:10 PM
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I had this installed for a while on my IS200t. It was pretty decent, but when I would put my car in sport mode (which I usually keep it in, after it's fully warm), the throttle would become way too sensitive - almost like an on/off switch.
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Old Mar 29, 2020 | 01:43 PM
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[QUOTE = m0chafrap; 10768785] התקנתי את זה זמן מה ב- IS200t שלי. זה היה די הגון, אבל כאשר הייתי מכניס את המכונית שלי במצב ספורט (שבדרך כלל אני שומר אותו, אחרי שהוא מלא לחמם), את המצערת תהפוך הרבה יותר מדי רגיש -. כמעט כמו מתג הפעלה / כיבוי [/ QUOTE]
Deen

I did not understand . Can you explain more?
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Old Mar 29, 2020 | 02:11 PM
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Originally Posted by Efratsege
I did not understand . Can you explain more?
This unit does not add any power to the vehicle. What it does is modifies the input from the pedal to the ECU to be more aggressive. It has a few different "level" settings on it, but lets say at a middle level you push your pedal 50%, the unit will send to the ECU that it is being pushed at 75% to give the 'feeling' of more power, but no actual power is gained, just more aggressive pedal response.

The highest setting (when it's lit red) is basically just wide open throttle as soon as you hit the gas, you can achieve the same thing by flooring your pedal, but the Apexi Unit might floor it 0.5 seconds faster.

I am over simplifying things and using random numbers in my example but that is what this unit does, it takes your pedal input and send more throttle to the ECU than you actually are pressing the pedal.
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Old Mar 29, 2020 | 04:34 PM
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Lexus spends millions of dollars to tune their engines for reliability. Sport/Sport+ does that job very well. You take great risk changing that tuning. Granted this only controls the throttle body, not the timing. But you want to ask yourself: is it worth the risk frying/damaging the sensitive electronics on this car for a "perceived" difference of power. Vs tried and true methods of I/H/E first. Those would net you 10-15 hp, which you might notice.
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Old Mar 29, 2020 | 04:37 PM
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[QUOTE = V350; 10769016] לקסוס מוציאה מיליוני דולרים כדי לכוונן את המנועים שלהם לאמינות. ספורט / ספורט + עושה את העבודה הזו טוב מאוד. אתה לוקח סיכון גדול לשנות את הכוונון הזה. אמנם זה רק שולט בגוף המצערת, לא בתזמון. אבל אתה רוצה לשאול את עצמך: האם שווה להסתכן בטיגון / פגיעה במוצרי האלקטרוניקה הרגישים במכונית זו בגלל הבדל כוח "נתפס". לעומת שיטות ניסו ואמיתיות של I / H / E תחילה. אלה היו נקיים לך 10-15 כ"ס, שבו אתה יכול לשים לב. [/ QUOTE]

So what would you advise me to do to get a little more power or quick response from my vehicle? IS300H 2015
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Old Mar 29, 2020 | 04:42 PM
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Originally Posted by Efratsege
So what would you advise me to do to get a little more power or quick response from my vehicle? IS300H 2015
The best bang for your buck to squeeze more power out, especially out of the 300 which is basically a de-tuned 350, would be an ECU tune: https://www.rr-racing.com/RR-Racing-...ig3xxtne02.htm



Then if you want to go even further you can look into exhaust, headers, supercharger, ect: https://www.rr-racing.com/category-s/235.htm


Last edited by whoismiked; Mar 29, 2020 at 05:13 PM.
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Old Mar 30, 2020 | 04:31 AM
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[QUOTE = whoismiked; 10769025] המפץ הטוב ביותר עבור הדולר שלך לסחוט יותר כוח, במיוחד מתוך 300 שהם בעצם 350 מכווננים, יהיה מנגינה ל ECU: https://www.rr-racing.com /RR-Racing-Lexus-IS3XX-ECU-Upgrade-Tune-p/ig3xxtne02.htm



אז אם אתה רוצה ללכת אפילו יותר רחוק אתה יכול לבדוק את האגזוזים, הכותרות, מגדש העל , ect: https: //www.rr-racing. com / קטגוריה-ים / 235.htm [/ QUOTE]

But I’m not look my model IS300H (Hybrid)
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Old Mar 30, 2020 | 05:20 AM
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Originally Posted by Efratsege

But I’m not look my model IS300H (Hybrid)
I suggest sending an email or message to RR racing to ask about compatibility withe the H model.

Or Let's see if I can call his attention to this to this thread

@RRRacing Hello can you confirm if your tuner works with a 2015 IS 300H model?

Last edited by whoismiked; Mar 30, 2020 at 05:28 AM.
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Old Mar 30, 2020 | 09:13 AM
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Originally Posted by whoismiked
I suggest sending an email or message to RR racing to ask about compatibility withe the H model.

Or Let's see if I can call his attention to this to this thread

@RRRacing Hello can you confirm if your tuner works with a 2015 IS 300H model?
Unfortunately not at this time for the Hybrid models. Thanks for thinking of us!
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Old Mar 30, 2020 | 10:27 AM
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Originally Posted by RRRacing
Unfortunately not at this time for the Hybrid models. Thanks for thinking of us!
Thanks for the clarification


@Efratsege : damn sorry buddy, looks like the tuner is not available for the hybrid, that's sad because it is an amazing upgrade. I apologize that I didn't even notice the 'H" when you mentioned your car, I honestly forgot hybrid versions of the IS even existed lol, I'm glad you caught it. You don't have very many good options for additional power then. You can do exhaust and headers but those are only going to net you 10-25 HP in gains and are a bit pricey. Also I do not suggest an intake that replaces the stock air box as you will likely actually lose power, but gain sound.
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