SKU: POR.958V8.ET
Porsche 958 Cayenne S / GTS XperTune Performance Software (2011-2014)
Boost your Porsche 958 Cayenne S or GTS 4.8L with Fabspeed XperTune Performance Software and handheld tuner. This ECU flash delivers 20 WHP and 15 TQ gains while maintaining reliability and drivability. Flash directly via OBD-II port without removing the ECU.
Key Features
- Power Gains: Cayenne S stock 400 WHP/369 TQ to tuned 420 WHP/384 TQ. GTS stock 420 WHP/380 TQ to 440 WHP/395 TQ
- Handheld Tuner: Interfaces with OBD-II port and PC for reading stock data, sending to Fabspeed, receiving custom tune, and flashing vehicle
- Custom Tuning: Fabspeed creates file based on your read data, vehicle info, and modifications. delivered in 1-2 business days
- Reversible Process: Flash back to stock anytime using handheld. no ECU removal or mailing required
- Simple 5-Step Process: Read via OBD-II, email data, receive tune, write to handheld, flash vehicle and drive
Product Notes
- Review MyGenius ECU Tuning Guide PDF and email ECU Tuning Information form to Fabspeed before starting
- Requires Windows PC (Mac not supported) for data transfer. handheld pairs to one vehicle only
- Tune upgrades or special requests may incur extra fees
Installation Notes
- Professional installation recommended.
- OBD-II port flash takes minutes. follow included tuning guide and watch tutorial video
- No hardware changes. compatible with factory ECU on specified models
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2011-2014 | Porsche | Cayenne | S 4.8L V8 |
| 2012-2014 | Porsche | Cayenne | GTS 4.8L V8 |
Why Choose Fabspeed?
- Proven Porsche tuning expertise with motorsport heritage
- Custom files ensure gains match your exact setup
- Reliable drivability preserved in every tune
Frequently Asked Questions
-
Q: Which Porsche Cayenne models fit this tune?
A: Fits 2011-2014 Cayenne S 4.8L V8 and 2012-2014 Cayenne GTS 4.8L V8. confirm via tuning form -
Q: Do I mail my ECU?
A: No, handheld reads/writes via OBD-II. process stock data only via email -
Q: How long for custom tune and warranty?
A: 1-2 business days. backed by Fabspeed reliability guarantee, reversible to stock
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Compact box for handheld device and cables
- Weight: 1 lb
Fabspeed
Fabspeed exhaust systems and carbon fiber parts for Porsche, Ferrari, Lamborghini, and McLaren are stocked at Black Ops Auto Works. Shop cat-back exhaust systems, muffler bypass pipes, sport catalytic converters, downpipes, X-pipes, valve controllers, and carbon fiber trim for 911, 944, 964, 981, 991, and 992 chassis codes along with Ferrari 308, 328, 430, and 458 and Lamborghini Gallardo platforms. Every product is filterable by year, make, model, and chassis code so the correct part ships the first time. Black Ops Auto Works carries 761 Fabspeed SKUs across exhaust, carbon fiber, and exterior trim categories. What This Collection Covers Fabspeed Motorsport builds exhaust systems and carbon fiber components engineered for a narrow range of exotic and European sports car platforms rather than universal fitment. This collection groups Fabspeed parts by the exact Porsche chassis code, Ferrari model, or Lamborghini platform they were designed for. Platforms We Cover Fabspeed builds...
View Fabspeed Products
Interior Parts & Accessories
Interior parts and accessories for cars, trucks, SUVs, and Jeeps are stocked at Black Ops Auto Works. Shop gauges and gauge pods, dash and interior trim, shift knobs and shifters, steering wheels, seats and race seats, seat belts and harnesses, roll cage components, floor mats, programmers and tuners, and racing safety gear for Hellcat, Trackhawk, TRX, HEMI, LS, LT, Coyote, and EcoBoost platforms. Every interior product is filterable by year, make, model, trim, and application so the correct part ships the first time. Black Ops Auto Works carries 5,234 interior SKUs across dash trim, seating, safety, electronics, and tuning categories. What This Category Covers Interior parts and accessories span daily comfort upgrades and dedicated racing safety equipment. This collection ranges from simple dash badges and floor mats to full roll cage components, race seats, and harness bars for track-prepped builds, along with electronic tuning products like programmers and performance monitor...
View Interior Parts & Accessories Products
Porsche Parts & Accessories
Porsche parts and accessories for 911, Cayman, Boxster, 718, Macan, Cayenne, and Panamera models are stocked at Black Ops Auto Works. Shop exhaust systems, sport cats, downpipes, muffler bypass pipes, X-pipes, valve controllers, coilovers, sway bars, shocks and struts, brake pads, rotors, caliper rebuild kits, carbon fiber vents and trim, intake filters, cooling parts, drivetrain upgrades, and engine components for chassis codes 996, 997, 991, 992, 986, 987, 981, 982, 964, 993, 955, 957, 958, and 944 Turbo. Every product is filterable by year, make, model, chassis code, and trim so the correct part ships the first time. Black Ops Auto Works carries 1,407 Porsche SKUs across exhaust, suspension, brakes, exterior, cooling, and drivetrain categories. What This Collection Covers Porsche has produced distinct 911, Cayman, Boxster, Macan, Cayenne, and Panamera platforms across multiple chassis generations, and fitment does not carry over between them. This collection groups parts conf...
View Porsche Parts & Accessories Products
Programmers & Chips
Programmers and tuning chips for gas and diesel trucks, cars, and SUVs are stocked at Black Ops Auto Works. Shop handheld tuners, ECU programmers, performance chips, and custom tuning devices built to unlock horsepower, torque, and fuel economy gains. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 534 programmer and chip SKUs spanning handheld tuners, modules, and custom-tune devices. What This Category Covers The Programmers and Chips category covers handheld programmers, in-line performance chips, and custom tuning devices that adjust engine parameters such as fuel, timing, and shift points. Coverage spans mild economy-focused tunes through aggressive race tunes for built engines. Categories Included Handheld tuners and programmers, diesel performance modules, in-line piggyback chips, custom tuning devices, and programmer accessories such as cables and monitors. Handheld Tune...
View Programmers & Chips Products
Programmers & Tuners
Programmers & Tuners parts and accessories for Ford EcoBoost, RAM and Jeep HEMI, Cummins diesel, Subaru WRX and STI, Volkswagen GTI and Golf R, Audi, Porsche, Mitsubishi Evo, and standalone ECU builds are stocked at Black Ops Auto Works. Shop ECU programmers, handheld tuners, AccessPORT devices, custom tuning hardware, data monitors, calibration tools, diagnostic devices, throttle controllers, and vehicle-specific tuning solutions for street performance, reliable repairs, and application-specific upgrades. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 263 collection SKUs across fitment, electrical or mechanical function, materials, installation needs, and performance goals. Vehicle-Specific Handheld Tuning A handheld programmer or tuner can provide approved calibrations, data access, and selected configuration features for supported vehicles. Always choose by exact model y...
View Programmers & Tuners Products


