ACS Composite
C8 Coupe Rear Window Spoiler
C8 Coupe Rear Window Spoiler
SKU:[50-4-150]CFZ
En stock
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C8 Coupe Rear Window Spoiler
It's all in the details! Ever notice the rear edge of your C8 Coupe's rear glass looks a little rough and unfinished? Maybe you want to hide the edge of your window tint. The C8 Rear Window Spoiler helps conceal that edge while enhancing the finished appearance of the rear hatch on any C8 Coupe Corvette.
2025–2027 Corvette – Revised Design -Pn 50-4-151
GM introduced changes to the rear glass beginning with the 2025 model year. To ensure the proper fit, ACS has developed a revised Rear Window Spoiler specifically for 2025–2027 C8 Coupe Corvettes. Ensuring an easier install.
Please note: The 2025–2027 version is currently in the final stages of production. We are targeting September 15, 2026 to begin shipping this version.
Benefits
- Protects and finishes the rear edge of the engine glass.
- Helps conceal tint trimming imperfections.
- Designed to integrate with the factory Carbon Flash window bezels.
- Model-year-specific fitment for the revised 2025–2027 GM rear glass.
Easy and Secure Installation
Installation is simple with no drilling required—just peel and stick. The spoiler is designed specifically to fit along the rear edge of the glass and seamlessly join the Carbon Flash window bezels.
Superior Material for Lasting Performance
Constructed from our PC Composite material, the Rear Window Spoiler offers outstanding durability and performance compared with traditional fiberglass, carbon fiber, or ABS components.
The Allure of Carbon Flash Black
Our Carbon Flash Metallic Black (CFZ) finish is designed to match the factory C8 Corvette accent pieces. Up close, the subtle silver metallic flake comes through, while from a distance it maintains a deep, glossy black appearance. It's the finish we recommend for a factory-inspired Corvette look.
Material
Material
PC Composite
A polymer formulation developed by ACS Composite to withstand minor impacts, scrapes and heat distortion. 3x stronger than ABS.
Install video
Install video
Surface finish
Surface finish
The C8 Coupe Rear Window Spoiler comes in the following surface finish:
Carbon Flash Metallic Black
Vehicle fitment
Vehicle fitment
Shipping & Returns
Shipping & Returns
Free shipping & 30-day returns if you are not fully satisfied. See Return Policy for full details.
Customer Builds
See how customers are using the C8 Coupe Rear Window Spoiler on their builds!
Customer reviews
Marc
| |Quebec, Canada
Very good quality looks amazing like to add very good customer service
Thank you for leaving a review!
Just a small touch , makes a big addition!
Thomas Cicio
| |New York, United States
This little addition to your rear glass makes the area “pop” . It’s not a large piece but it’s a “just enough” touch to give it the “custom “ look ! Again the ppl at ACS pay such attention to detail that their “add ons” make your corvette stand out !!
Thank you! Enjoy the new part
Should’ve been factory installed
Scott Ford
| |South Carolina, United States
This covers the annoying window gap and also looks great. Super easy to install and perfect fit.
Terry Owens
| |Florida, United States
C8 coupe rear window spoiler
Bill Osselborn
| |Pennsylvania, United States
Excellent quality and fit as always!!
Great! Thank you for your review!
C8 Coupe Rear Window Spoiler
Philip Ladelfa
| |New York, United States
It finishes off the back of your C8 looks great, factory should have done with ACS did.
Thank you for your review!
Finishing touch
Brian Wert
| |Pennsylvania, United States
Fit was not as good as the one I installed on a 2021. One side would not lay flush. 3rd time was successful after buying more 3M tape, activator and 4 small spring clamps to hold in place for a while. Finishes off the rear window.
Thank you for your review! Glad to hear you got it to sit flush. Some times a 2nd or 3rd go at the install is what it takes!
Great product…Gotta Get It!
Ben Farruggio
| |New Jersey, United States
Quality part, perfect paint match. Easy to install takes 5 minutes. Finished of the back window glass, looks like it supposed to be there. Shame on you GM.
Amazing! Looks beautiful. Thank you for your review
SAYLESS
Roger McMillan
| |New York, United States
That extra piece is perfect, words can't describe so I will let the pictures speak for me. Sayless💯
Beautiful! Thank you for your review
C8 Coupe Rear Window Spoiler
Philip Ladelfa
| |New York, United States
ACS is a great company they sold the great product that takes the unfinished look of the back of the C8 and gives it a finished look. Should come this way from the factory. It looks great on my car because it is black and it matches my car.
Thank you for your review!
Worth the price
Brian Wert
| |Pennsylvania, United States
The only rock guards I've found that had the screen. A little bit on the expensive side but appear to be top quality. When installing the rear guards, went much easier separating the screen from the guard. Didn't have to force it into the wheel well.
Great product
McAIister Hayes
| |Maryland, United States
The C8 Coupe Rear Window Spoiler is a great addition and makes the rear window look more polished and not like an GM afterthought.
Thank you for your review!
A+++
Billy Farnum
| |Nevada, United States
Very simple install and makes a big difference! Should be a factory piece because it looks incomplete without it. Put one on my Stingray and my ZO6.
Thank you for your review! Enjoy the C8 Corvette Window Spoiler
Anthony Bradfield
| |Iowa, United States
This product fits perfectly ❗️❗️❗️
Glad to hear it! Thank you for your review!
Spoiler
Jeff Stenzel
| |Nevada, United States
Well package when arrived , easy to install! Looks great , adds a lot to looks of car ! Product Just a little pricey!!!
Thank you for your review!
Perfect fit, but price too high
Eric Lebrun
| |Quebec, Canada
Perfect fit, no problem to install. The price is too high for this item. Could be lower, it is only a piece of plastic.
Thank you for your feedback! We could make it cheaper overseas, but then it would be a cheap piece of plastic. This product is made 100% within North America. This product is exposed to a lot of heat and needs to be thermally stable otherwise it will warp with time. We can ensure thermal stability using high quality local raw materials
spoiler
ROBERT ROTHLEN
| |California, United States
The rear window spoiler looks great with only problem being that the right side of the spoiler does not stick to the glass the way the left side does. There is a definite give to the right side of the spoiler while the left side is solid with no give.
Thank you for leaving a review! Shoot us an email so we can help get that right side perfect for you (order@acscomposite.com)
Philip J Messina
| |New York, United States
The rear window spoiler was very easy to install and it enhances the look of my Z51 Corvette.
Great Product
TERRY SMART
| |Michigan, United States
Received the order within a few days. I have not installed it yet however, i did a test fit and everything seems to fit perfectly. Great job on ACS' part and completely satisfied.
Thank you for your review! Looking forward to seeing it on
Installation of Window Spoiler
Edward Ledet
| |Louisiana, United States
As stated earlier, I experienced problems installing window spoiler. Test fitted it several times, didn't expect any issues until actual install. After second try using my own 3M tape, still doesn't fit correctly on driver's side, leaves a small gap.
Thank you for your review! We will reach out to you and get some pictures so we can take a look at the issue for you!
Perfect Fit and Paint
Marc Gluckman
| |Pennsylvania, United States
Very happy with this purchase. The paint is flawless.
Thank you for your review!
IT'S THE LITTLE THINGS
BRAD BONNELL
| |Oklahoma, United States
Although cost for this part is expensive for what it is, I agree with the designer that it is a necessary covering of tint shortage on back glass. It's well made and fitment is spot on. Very pleased.
Thank you for the feedback! Looks great on your C8. Enjoy the parts
Rear window spoiler
Lewis Papaleo Sr
| |New York, United States
Installation great mod upgrade
Thank you for your review! Looks amazing. Thank you for your feedback
C8 Engine Glass Spoiler
Gerry
| |Colorado, United States
Fits perfectly. Installs easily - once you get the ceramic coating off the edge if your car has ceramic coating. Looks great, goes with the lines of the engine cover.
Thank you for your review, Gerry! Glad to hear you think it looks great! Enjoy =)