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Porsche > Cayenne 9PA1 (957) 2007-2010 > 957 Cayenne 3.0L Diesel 2007-10 > Engine Tuning >

Electronic Throttle Booster

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Precision throttle control XLR5 device. Porsche 955 / 957 / 958 Cayenne - 4062009999521
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Precision throttle control XLR5 device. Porsche 955 / 957 / 958 Cayenne
4062009999521
Product Information
Product Information

Precision throttle control XLR5 device. 

Fits:
Porsche 955 Cayenne 3.2ltr - 2003 to 2006
Porsche 955 Cayenne S / turbo / turbo S 4.5ltr - 2003 to 2006
Porsche 957 Cayenne  3.6ltr - 2007 to 2010
Porsche 957 Cayenne S / turbo / turbo S 4.8ltr - 2007 to 2010
Porsche 957 Cayenne Diesel - 2007 to 2010
Porsche 958 Cayenne 3.6ltr V6 - 2010 to 2017
Porsche 958 Cayenne Diesel 3.0ltr V6 - 2010 to 2017
Porsche 958 Cayenne S Hybrid 3.0ltr V6 - 2010 to 2017
Porsche 958 Cayenne S / GTS 4.8ltr V8 - 2010 to 2017
Porsche 958 Cayenne turbo 4.8ltr V8 - 2010 to 2017
Porsche 958 Cayenne Diesel 4.2ltr V8 - 2010 to 2017

RaceChip XLR5 – Precision Throttle Control

The RaceChip XLR5 enhances throttle response, giving you full control over your car’s dynamics. Choose from seven tuning stages to match your driving style—whether you want sharper acceleration or smoother efficiency.

  • Instant Response – No more throttle lag, just immediate feedback
  • Easy Installation – No special knowledge required
  • Bluetooth App Control – Adjust settings via the RaceChip App

Driving Modes

  • Sport (S, S+) & Race (R, R+) – Sharpen throttle response for faster acceleration
  • Eco (E, E+) – Optimize for fuel efficiency in traffic and long drives
  • Neutral (N) – Revert to stock throttle settings

Optional Dashboard Controller
Upgrade to a 1.7” touch LCD controller for quick adjustments.
Features include:

  • Anti-Theft & Valet Mode
  • Speed Limiter
  • Fast, Wireless Operation
  • Perfect Pairing: Throttle & Chip Tuning
  • Combine RaceChip XLR5 with a RaceChip performance module for maximum power and responsiveness—unleashing the full potential of your vehicle.

Made for each other - Chip Tuning and Throttle Tuning by RaceChip
You can experience totally new driving sensations if you combine RaceChip XLR5 with one of our chip tuning modules. The extra power and torque that chip tuning brings is perfectly complemented by the immediate throttle response made possible by throttle tuning. Together, they push back the limits of driving enjoyment.

Drive the way you want with RaceChip XLR5

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About Electronic Throttle Booster

Porsche Electronic Throttle Booster - Enhanced Throttle Response Upgrade

Electronic Throttle Boosters are designed to sharpen throttle response by recalibrating the signal between the accelerator pedal and the engine’s electronic throttle body. Modern Porsche vehicles use drive-by-wire throttle systems that prioritise smoothness and efficiency, often resulting in delayed or softened throttle input.

Available from Design911, electronic throttle boosters eliminate throttle lag and deliver a more immediate, responsive driving experience without altering engine mapping or compromising reliability.

What Does an Electronic Throttle Booster Do?

Throttle boosters modify the throttle signal to improve responsiveness.

Core Functions:

  • Reduce throttle lag in drive-by-wire systems.
  • Improve accelerator pedal sensitivity.
  • Deliver faster throttle response.
  • Enhance driver control and engagement.
  • Maintain factory engine safety parameters.

These devices improve the connection between driver input and engine response.

Why Do Factory Throttle Systems Feel Unresponsive?

Factory electronic throttle calibrations are designed for comfort, emissions, and drivability. Common limitations include:

  • Deliberate throttle delay for smoothness.
  • Reduced sensitivity in lower RPM ranges.
  • Conservative pedal mapping for fuel efficiency.
  • Lack of immediacy during overtaking or acceleration.
  • Dull response in sport driving conditions.

While not a mechanical failure, this soft calibration can reduce driving enjoyment.

Why Upgrade to an Electronic Throttle Booster?

Throttle boosters offer a quick, non-invasive performance enhancement.

Upgrade Benefits:

  • Instant improvement in throttle response.
  • Multiple sensitivity modes to suit driving style.
  • No ECU remapping required.
  • Plug-and-play installation.
  • Reversible upgrade with no permanent modification.

Upgrading delivers sharper acceleration feel and improved driving engagement.

Highlights

  • Porsche electronic throttle booster upgrades
  • Reduces throttle lag and pedal delay
  • Improves driver response and engagement
  • Plug-and-play installation
  • Ideal for road and performance driving       

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