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Seibon Seibon 18-19 Subaru Impreza WRX/STi Carbon Fiber Fog Light Surrounds (pair)
Seibon Seibon 18-19 Subaru Impreza WRX/STi Carbon Fiber Fog Light Surrounds (pair)
Seibon Seibon 18-19 Subaru Impreza WRX/STi Carbon Fiber Fog Light Surrounds (pair)
Seibon Seibon 18-19 Subaru Impreza WRX/STi Carbon Fiber Fog Light Surrounds (pair)
Seibon Seibon 18-19 Subaru Impreza WRX/STi Carbon Fiber Fog Light Surrounds (pair)
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Seibon 18-19 Subaru Impreza WRX/STi Carbon Fiber Fog Light Surrounds (pair)

Seibon
SEIFLS18SBIMP
887753486592
Bumper Accessories
20+ Units In Stock - Ships Next Business Day
$ 600.00 $ 540.00
$ 540.00

Lightweight carbon fiber bumper accessory for the 2018 Subaru WRX STI

The Seibon FLS18SBIMP is a hand-laid 3K 2x2 twill weave carbon fiber over a fiberglass skeleton bumper accessory built specifically for the 2018 Subaru WRX STI. The UV-resistant gloss clear coat is factory-applied and ready to install. At up to 50% lighter than the OEM steel equivalent, it reduces unsprung weight for measurable gains in acceleration, braking balance, and cornering response.

Key Features

  • 3K 2x2 Twill Weave Construction: Hand-laid carbon fiber with UV-resistant gloss clear coat for show-quality appearance.
  • Direct OEM Location Fitment: Designed to mount in the factory bumper opening or surface location with no cutting required.
  • Lightweight Carbon: Adds functional or aesthetic enhancement without meaningful weight increase.
  • No Painting Required: UV-resistant gloss clear coat is factory-applied and ready for installation.
  • Seibon Fitment Guarantee: Test-fit and verified against the target vehicle.
  • Seibon Quality: Same construction standards trusted by motorsport customers since 2003.

This Part Fits

Year Range Make Model Trim
2018-2020 Subaru WRX STI
2018-2020 Subaru WRX STI Limited

Specifications

Detail Value
Part Number FLS18SBIMP
UPC 887753486592
Material 3K 2x2 twill weave carbon fiber
Finish Gloss UV-resistant clear coat
Construction Hand-laid with fiberglass skeleton
Weight Savings Up to 50% lighter than OEM equivalent
Hardware Uses OEM mounting hardware; not included
Warranty Seibon 6-month limited clear coat warranty; fitment guarantee

What's Included

  • Carbon fiber bumper accessory as specified
  • Hardware where applicable

Installation

  1. Clean the mounting surface on the bumper thoroughly.
  2. Pre-fit the accessory to confirm alignment without fastening.
  3. Secure using OEM-style clips, bolts, or body panel adhesive as appropriate.
  4. Torque any bolt locations to a maximum of 8 Nm to avoid over-stressing carbon flanges.
  5. Allow adhesive to cure per manufacturer instructions before washing the vehicle.

Frequently Asked Questions

Does this require cutting the bumper?

No cutting is required. Seibon bumper accessories mount in existing factory openings or surface locations.

What is the warranty?

Seibon provides a fitment guarantee and a 6-month limited clear coat warranty. Under the Magnuson-Moss Warranty Act, this product does not void your vehicle's factory warranty.

Is painting required?

No. The gloss clear coat is factory-applied and UV-resistant.

Can I install this at home?

Yes. Basic hand tools and a trim panel tool are all that is required.

How do I care for the finish?

Clean with mild soap and a microfiber cloth. Apply UV-protectant wax regularly.

Is this compatible with aftermarket front bumpers?

Fitment is designed for the OEM front bumper. Verify compatibility with aftermarket bumpers before purchasing.

Does this affect fog light function?

For products that replace fog light surrounds or garnishes, the OEM fog light housing is retained in its factory location. Function is unaffected.

Is this street legal?

Buyers are responsible for verifying compliance with applicable regulations.

WARNING: This product can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and reproductive harm. For more information go to www.P65Warnings.ca.gov.

Request For Information

Have questions about ? Fill out the form below and we'll get back to you by the next business day.
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