Cayenne 9Y0 V8 Twin Turbo T/GTS 4.0L

Cayenne 9Y0 V8 Twin Turbo T/GTS 4.0L

Regular price$2,274.00
/
Stage

Horsepower

Factory

0 HP
+0

Euro Tuned

0 HP

Torque

Factory

0 TQ
+0

Euro Tuned

0 TQ
  • In stock, ready to ship
  • Backordered, shipping soon

  • Lifetime warranty
  • Secure checkout

Designed for high‑performance automotive applications, this product is engineered to enhance power delivery, throttle response, and overall driving experience. Built with quality materials and tested for reliability, it integrates seamlessly with factory systems and performance builds. Ideal for enthusiasts seeking consistent, real‑world performance gains.

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Performance

Unlock increased horsepower and torque—delivering smoother power and sharper response

Sound

Increase engine airflow while enhancing exhaust sound

Reliability

Factory safeguards remain fully intact

How Remote Tuning Works (Obd)

Step 1

After checkout, a spec sheet will be sent to your email. Please complete the Google submission form while your order is being processed. Once submitted, we’ll begin building your custom tune



Step 2

Please ensure you have access to a Windows 7 (or newer) laptop, Wi-Fi, or mobile hotspot.

Step 3

Seamlessly tune your vehicle through the OBD port using our intuitive mobile app—while our team guides you step by step from start to finish.



Step 4

Process complete. Your new power is unlocked and ready to dominate the road





OPTIONS / FEATURES:

Raised Rev Limiter

Multiple Custom Maps That You Can Alternate Between

True on/off valve control

Top speed limiter removal

Cold start delete - On/Off

Auto start/stop elimated

What is ECU Tuning?

The Engine Control Unit (ECU, ECM, or in many European vehicles, the DME) is the electronic brain of your car. It controls critical functions like fuel delivery, ignition timing, boost pressure, throttle response, and torque management. From the factory, manufacturers often program these systems with conservative calibrations to meet global emissions standards and fuel type variations.

ECU tuning is the process of recalibrating that software to optimize performance. By carefully adjusting key parameters, we can unlock more horsepower, increased torque, sharper throttle response, and smoother power delivery — all while maintaining drivability and reliability.

Euro Fiend Tuning specializes in precision ECU calibrations engineered to elevate your vehicle’s performance and deliver a more responsive, engaging driving experience.

Transmission (TCU) Tune

Transmission Control Unit (TCU) tuning allows us to fine-tune the shift speed, firmness, and overall behavior of automatic transmissions. By recalibrating the factory software, we can deliver faster shift times, crisper engagement, optimized shift points, improved launch control, and increased torque capacity — resulting in quicker acceleration and a more responsive, performance-focused driving experience.


  • Enhanced acceleration across various ranges (1/4 mile, 60–130 mph, 100–150 mph, etc.)
  • Torque limiter optimization
  • Personalized torque control
  • Faster paddle-to-shift action
  • Raised internal control pressures to handle higher torque and prevent slippage
  • Optimized Launch Control

ECU Tuning Via Phone App

OBD tuning puts complete control in your hands—right from the driver’s seat.

Connect through your vehicle’s OBD2 port, download the app, and unlock performance in minutes.

With the included tuning module and guided setup, precision tuning has never been this fast—or this powerful.

Frequently Asked Questions

Euro Fiend Tuning: Your Questions, Answered
ECU tuning is the process of adjusting the engine control unit's software to enhance vehicle performance, efficiency, or fuel economy.
It can, depending on the manufacturer. Many warranties do not cover modifications like ECU tuning. That said, we have not had issues with our new module. Make sure to set it back to stock before going to the dealer.
For performance, use the highest-octane fuel recommended for your tune. For daily driving? That would be your preference, but min spec per manufacturer recommendation.
Yes, a properly tuned car can be used daily, as long as the tune is tailored for reliable, everyday driving.
The TCU (Transmission Control Unit) manages your vehicle's powertrain and transmission systems. We add some secret sauce and get your torque limits higher, and shift points smoother for a more precision-focused powertrain.
Map switching lets you switch between different tuning settings (maps) for varying driving conditions without having to retune the ECU at an additional charge per tune. Map switching can be done via the phone app and module.
Yes, if done by a professional using proper tools, ECU tuning is generally safe for your vehicle.
ECU tuning works by modifying the software that controls engine parameters like fuel mixture, ignition timing, and boost pressure to optimize performance.
The process of installing a tune depends on the vehicle’s make and model. Most tunes are installed via our module and phone app. This is a seamless process that takes minutes.
Stage 1 is for vehicles with no modifications, stage 2 is for vehicles with bolt-on upgrades or downpipes installed.
We provide comprehensive customer support every step of the way—from installation and post-installation guidance to troubleshooting and ongoing assistance. If you’re not completely satisfied with the results, you can return the tune with confidence.
Choose tuning software that’s compatible with your vehicle and aligned with your performance goals. We offer free consultation. Contact us at info@eurfiendtuning.com

From our customers

★★★★★

I freaking love this Tune. Handles the track and road without any problems and hasn't had any issues despite the beating it takes.

Jeremy S, California
Los Angeles, CA
★★★★★

Shipped faster than expected to my place. Loving the tune so far, I've been getting lots of comments from others about where I got it. So much faster than my buddies tune.

Sumesh T
Brooklyn, NY
★★★★★

Sick Tune, great power. performs flawlessly. Cant recommend enough

Adrian J
Los Angeles, CA
★★★★★

Real glad I took the jump and bought online. Hard to tell when you're just looking at pictures but this is hands down the best ride I've every tried.

Sean P
Houston, TX

Contact us

Have questions? We'd love to hear from you. Send us a message and we'll respond as soon as possible.

built & tuned

Developed for the enthusiast and designed for the racer

Tools included

Tools for OBD2 Tuning Included in Price

Fast shipping

Our Tuning ships within 2-3 business days to the United States. International destinations may vary, but average around 1-2 weeks.

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