★★★★★ 5
Great product
Great product
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 30, 2025
Seibon 16-17 Honda Civic Sedan GT Carbon Fiber Rear Spoiler
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Seibon 16-17 Honda Civic Sedan GT Carbon Fiber Rear SpoilerSKU: RS16HDCV4 GT UPC: 887753478931 Seibon 2016 2020 Honda Civic Sedan GT Carbon Fiber Rear Spoiler Transform your Honda Civic Sedan with the Seibon RS16HDCV4 GT GT style carbon fiber rear spoiler designed for 2016 2020 4 door models. This handcrafted component delivers aerodynamic downforce for better stability at high speeds while cutting weight for improved handling. Race teams worldwide trust Seibon for components that combine function with
Quick Dispatch:
Your Seibon 16-17 Honda Civic Sedan GT Carbon Fiber Rear Spoiler orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your Seibon 16-17 Honda Civic Sedan GT Carbon Fiber Rear Spoiler ships.
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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]
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4.5 ★★★★★
Based on 825 reviews
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Product Reviews
★★★★★ 5
Fit Mercury 150 saltwater 2 stroke great!
These fit my Mercury 150 perfect. Took it out for a test run and engine ran great with no overheating issues.
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Reviewed in the United States on August 26, 2025
★★★★★ 5
Work’s okay
They work ok, as expected
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Reviewed in the United States on August 26, 2025
★★★★★ 5
Just as good as OEM
Exactly what I expected...
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Reviewed in the United States on August 9, 2025
★★★★★ 5
Fit perfectly
Truly impressive, bought these and a set from a us boat supplier a thermostat made in the USA . They came with the gasket separate . I could not figure out how to put it together . I used these in my mercury optimax 135 hp . They fit perfectly and appear to be working great at a quarter the cost .
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Reviewed in the United States on August 29, 2024
