SKU: AA-545050
APR Performance Porsche 981 Cayman GT4 Factory Wing Extension Kit (2015–2016)
The APR Performance Factory Wing Extension Kit is engineered specifically for the 2015–2016 Porsche 981 Cayman GT4 to provide improved aerodynamic efficiency and optimal wing height adjustment. Each pedestal is precision CNC-machined from billet 6061 aircraft-grade aluminum to ensure strength, precision, and long-term durability. This kit allows drivers to raise or lower the factory rear wing without drilling new holes, optimizing clean airflow for maximum downforce performance.
Key Features
- Billet 6061 Aluminum Construction: CNC-machined pedestals deliver maximum rigidity and reduced flex under aerodynamic loads.
- Adjustable Wing Height: Easily raises or lowers the GT4 factory wing to optimize clean air flow and downforce balance.
- Direct Bolt-On Design: No cutting or drilling required; utilizes factory mounting points.
- Durable Black Anodized Finish: Corrosion-resistant surface for enhanced longevity and OEM-quality appearance.
- Track-Tested Performance: Proven aerodynamic benefits for both street and competition applications.
Product Notes
- Designed for 2015–2016 Porsche 981 Cayman GT4 models.
- Available in two configurations: No Gurney Flap (AA-545050) and With Gurney Flap (AA-545052).
- Retains OEM trunk mounting locations, no additional holes required.
- Professional installation recommended for precise alignment and fitment.
Installation Notes
- Installation should be performed by a qualified technician or body shop familiar with aerodynamic components.
- Torque all mounting bolts to manufacturer specifications.
- Verify wing alignment before final tightening to maintain correct downforce geometry.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015–2016 | Porsche | Cayman GT4 | 981 |
Why Choose APR Performance?
- Leader in high-performance aerodynamic components for street and track vehicles.
- Precision-engineered using advanced CAD and CFD testing for optimized airflow.
- Manufactured in the USA with strict quality standards and materials.
Frequently Asked Questions
- Q: Does this kit require drilling new holes?
A: No. It mounts using existing OEM trunk holes no modifications needed. - Q: What material are the pedestals made from?
A: They are CNC-machined from billet 6061-T6 aircraft aluminum. - Q: Is a Gurney Flap included?
A: The kit is available in two versions one with and one without a Gurney Flap.
Shipping & Handling
- Method: Ground shipping only.
- Availability: Usually ships within 3–5 business days.
- Packaging: Each kit is securely packaged with foam and protective wrapping to prevent damage in transit.





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