Porsche 718 / 981 Cayman GT4 Coupe Rear Trunk Spoiler Carbon Fiber 2015–2019
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Porsche 718 / 981 Cayman GT4 Coupe Rear Trunk Spoiler Carbon Fiber 2015–2019
Upgrade the rear-end appearance of your 2015–2019 Porsche Cayman GT4 Coupe with this carbon fiber rear trunk spoiler from AHACARBON. Designed for selected 981 Cayman GT4 and 718 Cayman GT4 Coupe models, this rear trunk spoiler adds a sharper and more aggressive rear profile while keeping a clean gloss carbon fiber finish.
This product is a strong fit for customers looking for a Porsche Cayman GT4 rear trunk spoiler, Porsche 981 Cayman GT4 rear spoiler, Porsche 718 Cayman GT4 rear spoiler, or Porsche Cayman GT4 carbon fiber trunk spoiler. It is designed as a rear-end exterior styling upgrade for compatible Cayman GT4 Coupe models.
Important: Please confirm your vehicle year, model, and rear trunk / hatch style before ordering. This product is not designed for Boxster models, Porsche 911 models, or standard Cayman models unless fitment is confirmed by photos. If you are unsure about fitment, please send us your vehicle year, model, and rear photos through our Contact Us page before placing an order.
Porsche Cayman GT4 Rear Trunk Spoiler Product Video
Watch the carbon fiber rear trunk spoiler product view, carbon fiber surface, and overall shape before ordering. Please confirm your vehicle fitment before purchase.
Fast Shipping & Production Support
✅ US & EU warehouse support for selected best-selling models
✅ Factory-made production for special or low-volume models
✅ Production time: 7–15 business days when factory production is required
✅ Quality checked before shipment
Easy Returns & Worry-Free After-Sales
✅ 30-day return on unused items in original condition
✅ Return support through US or EU local warehouse when applicable
✅ Damaged on arrival? Contact us within 72 hours for replacement or refund support
✅ Engineers provide fitment confirmation and installation guidance
✅ 1-year factory warranty and global after-sales support
Fitment
| Make | Porsche |
| Model | Cayman GT4 |
| Chassis | 981 / 718 |
| Year | 2015, 2016, 2017, 2018, 2019 |
| Body Style | Coupe 2-Door |
| Compatible Models | 981 Cayman GT4 Coupe, 718 Cayman GT4 Coupe |
| Product Position | Rear trunk / rear hatch area |
Not Fit
- Not for Porsche Boxster convertible models
- Not for standard Cayman / Cayman S / Cayman GTS unless confirmed by photos
- Not for Porsche 986 / 987 models unless confirmed by a separate fitment table
- Not for Porsche 911 models
- Not for aftermarket or modified rear trunk / hatch panels unless confirmed by photos
Product Specifications
| Material | Carbon fiber |
| Carbon Weave | 3x3 weave carbon fiber |
| Finish | Gloss carbon fiber finish |
| Installation | Self-tapping screws are included |
| Packaging | Protected carton packaging with cushioning material |
Key Features
- Designed for Cayman GT4 Coupe: Made for selected Porsche 981 Cayman GT4 and 718 Cayman GT4 Coupe models.
- Rear-end styling upgrade: Adds a sharper and more aggressive rear trunk appearance without changing the full rear hatch.
- Gloss carbon fiber finish: Features visible 3x3 carbon fiber weave with a glossy exterior surface.
- Hardware included: Self-tapping screws are included in the package.
- Quality checked before shipment: Each rear trunk spoiler is checked before packing and shipped with protected carton packaging.
Installation Notes
This Porsche Cayman GT4 rear trunk spoiler uses screw-assisted installation. Please test fit the rear spoiler before final installation, check the left and right alignment, and confirm the rear trunk / hatch surface before drilling or fixing the product. Professional installation is recommended for best positioning.
- Clean the rear trunk / hatch installation area before installation.
- Place the rear trunk spoiler on the vehicle and check the left/right alignment.
- Test fit before drilling or fixing any mounting points.
- Install with the included self-tapping screws.
- Recheck all mounting points after installation.
Before Ordering
Please confirm that your vehicle is a compatible Porsche 981 Cayman GT4 Coupe or Porsche 718 Cayman GT4 Coupe. If your car is a Boxster, standard Cayman, Cayman S, Cayman GTS, 986 / 987 Cayman, 911, or has an aftermarket rear hatch, please contact us with rear photos before placing an order.
Explore More Porsche Cayman Exterior Upgrades
Looking for more upgrades for the same platform? Browse our Porsche 718 Boxster/Cayman carbon fiber parts collection.
You can also explore more Porsche carbon fiber parts, or return to the AHACARBON carbon fiber car parts homepage.
FAQ
Does this rear trunk spoiler fit Porsche 981 Cayman GT4?
Yes. This rear trunk spoiler is designed for selected Porsche 981 Cayman GT4 Coupe models.
Does this rear trunk spoiler fit Porsche 718 Cayman GT4?
Yes. This product is designed for selected Porsche 718 Cayman GT4 Coupe models. Please confirm your vehicle year and rear hatch style before ordering.
Does this fit Porsche Boxster?
No. This rear trunk spoiler is not designed for Porsche Boxster convertible models.
Does this fit standard Cayman or Cayman S?
This product is positioned for Cayman GT4 Coupe models. For standard Cayman, Cayman S, or Cayman GTS models, please send rear photos for fitment confirmation before ordering.
How is this spoiler installed?
This product uses screw-assisted installation. Self-tapping screws are included, and professional installation is recommended.
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Clients Love Us
Stephanie L.
Ordered the BMW front bumper fog light grille and the fitment was absolutely perfect. Gloss black finish looks factory-fresh and the quality is outstanding. Installation took about 30 minutes — no drilling required. Highly recommend AlchemyRide!
Marcus R.
Fast shipping, great packaging, and the part arrived in perfect condition. The grille fits my F23 like a glove — exactly as described. Customer service was also super responsive when I had a fitment question. Will definitely order again.
David K.
I've bought aftermarket parts from many stores but AlchemyRide stands out for quality and value. The part was well-made, fit perfectly, and the price was very competitive. My BMW looks aggressive and clean — exactly what I wanted.
Jenny T.
Excellent product and super easy to install. The gloss black finish matches my M Sport bumpers perfectly. Shipping was faster than expected and the part was well-packaged. Very happy with my purchase — my car looks completely transformed!
