2005 - 2012 Lexus GS III (S190) (GS 300) XLR5 Throttle Response Controller by RaceChip
2005 - 2012 Lexus GS III (S190) (GS 300) XLR5 Throttle Response Controller by RaceChip
In stock
The new RaceChip XLR5
Better acceleration. Outstanding design.
Better Gas Pedal Throttle Response
- 7 separate stages
- Perfect add-on for tuning chips
- 2-year warranty




Made in Germany

2-Year Product Warranty

+50% Throttle Response

Eco Mode Available

Simple to install and use – Takes 20 min.
- Unplug the wire from the gas pedal at the connector.
- Connect the Brainbox to the gas pedal connector.
- Mount the Brainbox on a smooth surface in the footwell for easy access.
- To control XLR5: connect the Controller with the Brainbox, or set up the RaceChip app.
Specifications

Performance
Upgrade Your Drive with the XLR5 Throttle Response Controller
- Eliminate Throttle Lag: Say goodbye to delayed acceleration and enjoy a more immediate response.
- Adjust Throttle Sensitivity in Real Time: Customize your drive with the XLR5 app for on-demand adjustments.
- Faster, Smoother Acceleration: Perfect for drivers who demand instant power without compromising control.
- Quick & Easy Install: Non-invasive design means no impact on your vehicle’s warranty.
- Premium Quality & 2-Year Warranty: Built to last with the longest warranty in the market.
The XLR5 is a small device with a big impact on your accelerator. Fine-tune your vehicle’s response curve to suit any driving style or road condition. Whether you want sharper throttle response for spirited driving or a more subdued setting for city commutes, the XLR5 gives you the power to make your drive feel exactly how you want it.
Description
Perfect for Smoother Acceleration and Performance
Personalize your throttle response for a truly customized driving experience. With the XLR5 Throttle Response Controller, you have control of your accelerator sensitivity right at your fingertips:
- Instant Throttle Response: Eliminate delays and achieve smooth, powerful acceleration from the moment you press the pedal.
- Real-Time Customization: Easily change settings on-the-go to suit road conditions and your preferences.
Experience a driving experience tailored to you with XLR5. Perfect for those who value performance and precision, the XLR5 puts throttle control directly in your hands.
Features
Here’s the updated feature list with XLR5:
- Control Throttle Mapping: Use your phone to fine-tune throttle curves and optimize horsepower delivery.
- Real-Time Throttle Curve Adjustment: Customize sensitivity modes instantly to eliminate acceleration delay.
- 7 Adjustable Modes:
- Eco Mode for Fuel Efficiency: Reduces throttle response to save fuel.
- XLR5 Button Remote
This list now reflects the XLR5 branding, emphasizing the product's customizable and user-friendly features.
In The Box
What’s in the Box?
- XLR5 Throttle Response Controller
- The Brainbox
- RaceChip App (App Control)
- QR Code for App
This package ensures you have everything needed for real-time, personalized throttle adjustment, whether through the mobile app or the optional dash-mounted controller.
RaceChip Team Video

Simple Performance enhancement
Plug & Perform
Modern engines are governed by advanced software, and the XLR5 Throttle Response Controller integrates seamlessly, using technology on par with top automotive manufacturers. With 7 adjustable response maps, the XLR5 lets you fine-tune the throttle curve for an enhanced driving experience.
- Race Mode: Sharpens throttle response for immediate acceleration and high performance.
- Sport Mode: Balances quick acceleration and control, ideal for everyday driving.
- Eco Mode: Reduces sensitivity to save fuel, while retaining the original feel when needed.
The XLR5’s precise adjustments boost throttle response, eliminate lag, and deliver faster access to RPMs—all while being easy to install and reversible to factory settings.

Unlock performance, removable tuning.
Easy Install
The XLR5 Throttle Response Controller is the perfect upgrade for customizable acceleration and smoother throttle response. Easy to install and remove, it lets drivers restore factory settings effortlessly, ideal for trade-ins or resale. Unlike permanent ECU remaps, the XLR5 works alongside the factory ECU to enhance performance without permanent modifications.
Key Benefits:
- Quick Setup: Plug-and-play installation in just 20 minutes.
- Reversible: Easily return to stock settings at any time.
- Personalized Throttle Maps: Real-time adjustments via the app for tailored acceleration.
- Engine Protection: Includes a warm-up timer to protect your engine.
The XLR5 delivers a powerful, flexible boost to throttle response without altering factory settings, making it the ideal choice for drivers seeking enhanced, customizable performance.

Performance tuning without compromise.
Unleash Your Drive
Why Choose the XLR5 Throttle Response Controller?
- Market Leader: Over 100,000 units sold per year, trusted by drivers worldwide.
- Wide Compatibility: Supports 1,000+ vehicle models for diverse applications.
- Global Reach: Available through 2,000 dealers in 135 countries.
The XLR5 is crafted by expert engineers with OEM-level quality, bringing you a precision throttle tuning experience that transforms your drive into something truly unique.
RaceChip Testimonials (4.8 ⭐⭐⭐⭐⭐)
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I was a bit unsure at first, but the XLR5 truly transformed my Honda Civic X. The throttle response is so much sharper, and I can feel the difference every time I hit the gas. It’s smoother on the highway, but when I need that extra punch, it’s right there. Easily the best upgrade I’ve made to this car!
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I don’t have to push as hard to get up to speed, and the combination is especially nice on long drives. The XLR5 and GTS5 together really wake up my Mazda CX-5! The throttle response from the XLR5 makes acceleration feel instant, while the GTS5 boosts torque and improves fuel efficiency. Installation was simple, and it’s made a noticeable difference in how smoothly and powerfully the car handles. Easily one of the best upgrades I’ve made!
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The throttle response from the XLR5 has eliminated the odd stutter from the factory gas pedal, making acceleration feel smooth and immediate. With the XLR5 and GTS5 installed, my Toyota feels smooth. The extra power and torque from the GTS5 are especially noticeable off-road, where I need that extra boost for tough terrain. This combination has completely transformed the way the Land Cruiser handles—it’s been worth every penny.
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I installed the GTS 5 on my Nissan Skyline a few weeks ago, and it’s like my car has been given a new life. There’s a clear boost in power and responsiveness, and it’s smooth, too. It pulls harder and feels more stable at higher speeds. This is a game changer for me.
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I was a bit unsure at first, but the XLR5 truly transformed my Honda Civic X. The throttle response is so much sharper, and I can feel the difference every time I hit the gas. It’s smoother on the highway, but when I need that extra punch, it’s right there. Easily the best upgrade I’ve made to this car!
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I don’t have to push as hard to get up to speed, and the combination is especially nice on long drives. The XLR5 and GTS5 together really wake up my Mazda CX-5! The throttle response from the XLR5 makes acceleration feel instant, while the GTS5 boosts torque and improves fuel efficiency. Installation was simple, and it’s made a noticeable difference in how smoothly and powerfully the car handles. Easily one of the best upgrades I’ve made!
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The throttle response from the XLR5 has eliminated the odd stutter from the factory gas pedal, making acceleration feel smooth and immediate. With the XLR5 and GTS5 installed, my Toyota feels smooth. The extra power and torque from the GTS5 are especially noticeable off-road, where I need that extra boost for tough terrain. This combination has completely transformed the way the Land Cruiser handles—it’s been worth every penny.
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I installed the GTS 5 on my Nissan Skyline a few weeks ago, and it’s like my car has been given a new life. There’s a clear boost in power and responsiveness, and it’s smooth, too. It pulls harder and feels more stable at higher speeds. This is a game changer for me.
2005 2012 Lexus GS III S190 GS 300 XLR5 Throttle Response Controller By RaceChip Enhances Performance
Transform your driving experience with the RaceChip XLR5 Throttle Response Controller, specifically designed for the 2005 - 2012 Lexus GS III S190 GS This innovative enhancement minimizes throttle lag, ensuring your vehicle responds immediately to your commands.
Throttle sensitivity plays an important role in enhancing driving pleasure, allowing for a more dynamic experience on roads or highways.
With the RaceChip XLR5, drivers can enjoy immediate improvements in throttle responsiveness, making it suitable for everyday commutes or spirited driving adventures.

Throttle Response Enhancements
Throttle response enhancements significantly improve how your vehicle reacts to the accelerator pedal.
By modifying the electronic throttle signal, the RaceChip XLR5 reduces lag, leading to a more exhilarating acceleration feel. This enhancement is ideal for modern driving, where precision in throttle control can transform your driving experience.
Utilizing advanced technology, the RaceChip XLR5 allows for customizable settings that align with your preferences and driving conditions, resulting in a more engaging connection between you and your vehicle.
- Reduces throttle lag for immediate acceleration.
- Allows customization with multiple driving modes for tailored performance.
- Utilizes plug-and-play technology for easy installation without permanent modifications.
- Connects between the throttle pedal sensor and the engine control unit for enhanced responsiveness.
- Creates a more engaging driving experience by providing immediate throttle feedback.
- Reduces the “pause” often felt in electronic throttle systems, enhancing overall control.
How RaceChip Improves Acceleration
Enhancing throttle response is a standout feature of the RaceChip XLRThis innovative module modifies the electronic throttle signal, effectively addressing lag issues found in many modern drive-by-wire systems.
Consequently, acceleration becomes sharp and precise, delivering exhilarating performance at the slightest input.
As drivers engage the pedal, they will notice immediate responsiveness, transforming the driving experience into something far more engaging.
The RaceChip XLR5 ensures that every adjustment is felt in real-time, enhancing overall control and making every journey a thrilling adventure.
- Eliminates the notorious “pause” common in modern drive-by-wire systems.
- Delivers sharp, precise acceleration as soon as the pedal is pressed.
- Choose between multiple driving modes: Eco, Sport, and Race, each with fine-tuning levels.
- Adjust settings based on driving conditions and personal preference for maximum enjoyment.
2010 Lexus GS Performance Optimization Tips
Maximize the potential of your 2010 Lexus GS with tailored performance optimization tips utilizing the RaceChip XLREach driving mode—from Eco to Sport to Race—unlocks distinct benefits suited for varied conditions. Fuel consumption can be significantly reduced in Eco mode during heavy traffic or long journeys. Engaging Sport or Race modes heightens throttle sensitivity, enabling swift acceleration and thrilling performance. Adjusting throttle response to match your driving style becomes an effortless endeavor—smooth settings for daily commuting or aggressive adjustments for spirited driving. This versatility ensures an enjoyable driving experience tailored to your needs.
- Eco mode conserves fuel during heavy traffic or long journeys.
- Sport and Race modes heighten throttle sensitivity for dynamic performance.
- Fine-tune throttle response levels according to driving style—smooth for commuting or aggressive for spirited driving.
- Experiment with N mode to restore stock settings when needed.
RaceChip XLR5 Performance
- RaceChip XLR5 significantly reduces throttle lag, enhancing acceleration responsiveness.
- Customizable driving modes allow drivers to optimize performance for various conditions.
- Eco mode can lead to improved fuel efficiency during long drives or in traffic.
- Throttle adjustments can be tailored for both daily commuting and spirited driving experiences.
Installation Guide For User-Friendly Controller
Embarking on the journey to enhance your vehicle's performance is simple with the RaceChip XLR5 Throttle Response Controller. This plug-and-play installation guide ensures you can elevate your driving experience without requiring specialized tools.
- Typically found near the accelerator pedal, the throttle pedal sensor is your starting point for installation.
- Carefully plug the XLR5 unit between the throttle pedal sensor and the engine control unit (ECU) to ensure optimal performance.
- Verify that all connections are secure before testing the throttle response. This ensures immediate feedback and responsiveness when you hit the road.
By following these straightforward steps, you’ll enjoy improved throttle sensitivity and a more engaging driving experience. Feel the difference as your vehicle responds instantaneously, optimizing acceleration and performance.
Installation Step | Description |
---|---|
Locate the Throttle Pedal Sensor | Find the throttle pedal sensor near the accelerator pedal for installation. |
Connect the XLR5 Module | Plug the XLR5 unit between the throttle pedal sensor and the engine control unit (ECU). |
Final Check | Ensure all connections are secure before testing throttle response. |
Performance Benefit | Improved throttle sensitivity for enhanced acceleration and driving experience. |

RaceChip Performance
About RaceChip
In 2008, Manuel Götz made his passion for automobiles his career: RaceChip was born. Since then, a continuously growing team of vehicle enthusiasts and engineering fans have worked with passion to develop products and forge ahead with new innovations that give you, our customer, the best driving experience possible.
FAQs
How long to install XLR5?
The install process is about 20 min total. 10min is normally to allow the vehicle to clear electricity before installing. Install takes about 5 min and another 5 min to get your app running.
What is the return policy?
There is a 30 day return policy. After 30 days there is no returns allowed.
How Do I Contact Customer Support?
Email our support team at hey@jdbracechip.com
Is the app required to run RaceChip?
No, you can manually adjust the level using the controller or app.
How many tuning maps are available?
Comes with 7-tuning maps. The This allows for great customization and tuning.