SKU: 99298710929

Fabspeed 957 Cayenne S/GTS XperTune Performance Software (08-10) (FS.POR.957V8.ET)

Sale price$869.83 Regular price$966.48
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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15

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Description

Fabspeed 957 Cayenne S/GTS XperTune Performance Software (08-10) (FS.POR.957V8.ET)Purchase Disclaimer: Fabspeed Motorsport does not condone the use of emission defeat devices for any vehicles used on public streets or roadways. Fabspeed Motorsport will not tamper, remove, disable, or bypass emissions equipment on a motor vehicle in accordance with 40 CFR Section 86. 1854. 12(a)(3), Clean Air Act 40 CFR 1068. 101(b). This includes software, known as tunes, that reprogram a motor vehicles electronic control module to alter engine

Purchase Disclaimer: Fabspeed Motorsport does not condone the use of emission defeat devices for any vehicles used on public streets or roadways. Fabspeed Motorsport will not tamper, remove, disable, or bypass emissions equipment on a motor vehicle in accordance with 40 CFR Section 86.1854.12(a)(3), Clean Air Act 40 CFR 1068.101(b). This includes software, known as tunes, that reprogram a motor vehicles electronic control module to alter engine performance and enable the removal of filters, catalysts, and other critical emissions controls.

Achieve maximum power from the Porsche 991 GT3 3.8L / 4.0L engine without sacrificing driveability or reliability by optimizing the engine's performance. Fabspeed Motorsport offers an alternative tuning method for vehicles equipped with ECU's that traditionally required bench flashing. No longer do you need to remove your ECU and mail it in for a tune. The Handheld device interfaces with the OBD-II port on your vehicle and your computer to complete the tuning process. Simply flash your GT3 with a Fabspeed ECU Tune utilizing the included handheld tuner. Performance ECU software upgrade improves horsepower, torque, and driving characteristics by reprogramming various sensor inputs, air/fuel ratios, and boost pressure (if applicable).

COMPATIBILITY

  • Fits all Porsche 991 GT3 3.8L / GT3 RS 4.0L vehicles (2014-2016)

POWER:

  • GT3 RS with Stock Hardware
    • Stock = 434 whp / 316 ft-lbs
    • Tuned = 440 whp / 323 ft-lbs
    • Maximum gains of over 15 whp and 10 ft-lbs of torque at 7500 RPM
    • Peak power gains of 6 whp and 6 ft-lbs of torque
  • GT3 RS with Fabspeed Exhaust - coming soon
  • GT3 with Stock Hardware - coming soon

TUNING PROCESS

  1. Read stock data on vehicle via OBD-II port with Handheld
  2. Interface Handheld with software on your computer and send in data to Fabspeed Motorsport via email to[email protected]
  3. We 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
  4. Write the Fabspeed ECU Tune to your Handheld, then to the vehicle with the Handheld
  5. Enjoy your increased performance!

No need to send your ECU in to return to stock - simply use the Handheld to flash back, then to your Fabspeed XperTune again at any point!

NOTES:

  • Please review ourTuning Guidein the instructions above and email the ECU Tuning Information form to us. We utilize this form to ensure we meet your needs and consider your modifications to deliver the best possible results.
  • You must have access to a PC / Windows computer (Mac OS not supported) to upload your factory file information to us via email and in turn apply our ECU Tune to your Handheld device.
  • Upon sending us your vehicle information,our 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.

Need some help using our XperTune Handheld Tuner? Watch our tuning tutorial video!

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 99298710929

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4.5 ★★★★★
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SP
Alexandria, US
★★★★★ 5
Buy it
Color: Newport Blue, Size: 32W x 30L
Awesome. Bought hoodies and pants and they are all nice. Pants fit true to size.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 4, 2026
C
C.M.P.
Lowell, US
★★★★★ 5
Great Looking Lightweight Golf Pants
Color: Khaki, Size: 38W x 32L, Color: Khaki, Size: 38W x 32L
This is a great looking pair of lightweight golf pants from M MAELREG. They’re tailored from a Polyester and Spandex blend (94% - 6%) in an attractive weave. I selected the Khaki version and the pants are lightweight, very comfortable and fit true to size. They have a button and zipper fly closure with a silicone ‘gripper’ on the inside waistband, which helps hold the pants in place if you decide not to wear a belt. But if you do wear a belt, the pants have 6 total belt loops, including a pair at the rear (often not found on many pants today). They have 2 front pockets and a hidden pocket with a zipper closure on the right side. The 2 back pockets are stitched shut. Since I rarely use back pockets on any pants or jeans that I wear, that’s not an issue for me. But if you do use them, you’ll need to cut them open yourself. (I would suggest carefully using an X-Acto type knife.) These versatile pants can be worn dressed up for business attire or down for leisure. (In other words, you don’t have to be a golfer to wear them. LOL!) And the quality, fit and pricing of the pants are comparable to many of the top national brands like Nike, Callaway and PGA Tour.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
D
Dr. Jeffrey Horelick
New York, US
★★★★★ 5
Sharp Style and All-Day Comfort on and Off Course
Color: Iron Grey, Size: 32W x 32L, Color: Iron Grey, Size: 32W x 32L
I have worn a lot of golf and casual pants over the years, and these MAELREG pants truly impressed me from the moment I put them on. The fit is tailored without feeling restrictive, and the lightweight stretch fabric moves comfortably whether I’m walking around the lake with my Labrador, spending time with family, or heading out for dinner. They have a clean, polished appearance that works just as well for business casual settings as they do for golf outings. What I appreciate most is how comfortable they stay throughout the day. The moisture-wicking and quick-dry material kept me cool in the Florida heat, and the water-resistant finish handled light splashes and unexpected weather without any problem. The waistband stays secure and comfortable, and the overall fit gives a sharp, athletic look without being too tight. The pocket design is also very practical. I like having the zipper pocket for valuables while still getting plenty of room in the front and back pockets for everyday essentials. The fabric feels durable yet soft, and the quality is better than I expected for the price. These pants have quickly become one of my favorite pairs because they combine comfort, flexibility, and a refined appearance so well. MAELREG delivered a stylish, well-made product that looks great and performs even better.
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Reviewed in the United States on May 21, 2026
N
NW
Omaha, US
★★★★★ 4
Golf pants
Color: Iron Grey, Size: 36W x 34L, Color: Iron Grey, Size: 36W x 34L
For a generic pair of golf pants, these are actually quite good, though the fit isn't entirely perfect. The overall quality of the material surprised me; it feels durable, has a nice stretch to it, and looks good enough for the course or a casual Friday. The length was also spot-on right out of the package. However, they felt slightly small in the waist. At an okay price point, they are a solid budget option. I can’t speak for longevity yet, but they seem fine.
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Reviewed in the United States on June 4, 2026
K
kmeis
Draper, US
★★★★★ 5
Excellent golf ⛳️ pants!!!
Color: Dark Charcoal, Size: 34W x 34L, Color: Dark Charcoal, Size: 34W x 34L
I bought these pants primarily for golf, but they've quickly become one of my go-to pairs for everyday wear as well. The fabric is lightweight, breathable, and has just the right amount of stretch to stay comfortable throughout the day. I also like that they shed light moisture and dry quickly. The fit is excellent. The straight-leg design looks clean and modern without being too slim or too baggy. The elastic waistband and silicone grip help keep my shirt tucked in during a round of golf, which is a nice touch. The pockets are practical and deep enough for a phone, wallet, and other essentials. Just note that the back pockets come stitched closed and need to be opened before use. I've worn these for golf, travel, and even casual office days, and they work well in all situations. They look dressy enough to pass as business casual while still feeling like athletic pants. Overall, a great combination of comfort, style, and versatility for the price.
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Reviewed in the United States on June 1, 2026

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