FABSPEED XPERTUNE PERFORMANCE SOFTWARE FOR 955 PORSCHE CAYENNE S [FS.POR.955V8.ET]

SKU: FS.POR.955V8.ET
$1,690.95

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OEM-quality fitment for precise installation.
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Fabspeed XperTune Performance Software for 955 Porsche Cayenne S

Fabspeed XperTune Performance Software for the 955 Porsche Cayenne S optimizes the naturally aspirated 4.5L V8 for increased horsepower, torque, and sharper overall response without compromising drivability or reliability. Instead of traditional bench flashing, Fabspeed supplies a handheld tuner that connects to the vehicle’s OBD-II port and a computer, eliminating the need to remove and mail in the ECU. With a straightforward flash, the calibration refines key sensor inputs and air/fuel ratios to unlock stronger, smoother performance.

Features

  • +22hp and 20ft/lbs
  • Improved engine performance
  • Drivability remains uncompromised
  • Handheld tuner

Applications

  • Porsche Cayenne S: 955 (2003–2006)
    [M48.01 – 4.5L V8]

Notes

  • Please review the tuning guide in the instructions and email the ECU tuning Information form. This form is utilized to ensure your needs are met and to consider your modifications for the best possible product.
  • You must have access to a PC / Windows computer (Mac OS not supported) to upload your factory file information to Fabspeed via email and in turn apply their ECU Tune to your handheld device
  • Upon sending your vehicle information, Fabspeed’s tuner will email you a custom ECU Tune(s) within 1-2 business days
  • The handheld device “marries” with your vehicle and can only be used on one vehicle
  • Special requests and tune file upgrades may be subject to additional fees
  • This device allows you to flash the vehicle back to stock without sending in your ECU

Tuning Notes

  • Step 1 – Read stock data on vehicle via OBD-II port with handheld
  • Step 2 – Interface handheld with software on your computer and send in data to Fabspeed Motorsport via email
  • Step 3 – They use this data along with information you provide about your vehicle to write a tune for your specific setup and email back your custom tune in 1-2 business days
  • Step 4 – Write the Fabspeed ECU Tune to your handheld, then to the vehicle with the handheld

About Fabspeed

Fabspeed Motorsport is situated in Fort Washington, Pennsylvania, within the United States of America. Their extensive 26,000 sqft. facility serves as a hub for various car clubs, including Porsche Club of America, Ferrari, McLaren, Lamborghini, and more. The company is renowned for its comprehensive approach to product development. They handle the entire process, from design and engineering to dyno testing, street trials, and racing assessments, ensuring the quality and performance of every item. Fabspeed also collaborates closely with race engine builders and tuners hailing from Italy, Germany, and the United States, resulting in the creation of the Ultimate Performance parts. To cater to their passionate global audience, Fabspeed meticulously crafts systems using aerospace-grade austenitic stainless steel, titanium, and carbon fiber materials, setting a standard for excellence in the industry.


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We want you to feel confident before making your purchase. Here are a few important details to help you better understand this product and how it fits into your space.

  • Please review the product dimensions carefully to ensure the right fit for your space
  • Color may vary slightly due to lighting and screen settings
  • Materials and finishes are selected for both durability and visual appeal
  • Some items may require simple assembly upon delivery
  • Perfect for both everyday use and long-term comfort

If you have any questions about this product, feel free to reach out to our support team. We're here to help you make the right choice.

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