SKU: 54781298402

SMY Carbon Fiber Full Rear Valance Diffuser 3 Piece Kit 2015-2021 WRX / STI

Sale price$267.41 Regular price$297.12
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Ships within 48 hours · Estimated delivery Aug 4 - Aug 9

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Description

SMY Carbon Fiber Full Rear Valance Diffuser 3 Piece Kit 2015-2021 WRX / STIDescription: Add some pep to your rear bumper with this three piece full carbon fiber rear diffuser. This diffuser adds a more aggressive high end look to the ass of your car. Easy to install using the supplied hardware and 3m tape. Drilling of 6 holes is required on the bottom of the bumper only. Going back to stock is not an issue because the holes are on the bottom. The kit also mounts using OEM clips and supplied 3M molding tape. Features: Carbon

Description:
Add some pep to your rear bumper with this three-piece full carbon fiber rear diffuser. This diffuser adds a more aggressive high-end look to the ass of your car. Easy to install using the supplied hardware and 3m tape. Drilling of 6 holes is required on the bottom of the bumper only. Going back to stock is not an issue because the holes are on the bottom. The kit also mounts using OEM clips and supplied 3M molding tape.

Features:
- Carbon Fiber Throughout
- 2x2 Weave
- Gloss Finish
- Simple Bolt-on Installation
- Not Flimsy / Very Strong Construction

Includes:
- 1 x Driver Side Carbon Fiber Exhaust Trim
- 1 x Passenger Side Carbon Fiber Exhaust Trim
- 1 x Center Carbon Fiber Trim
- 1 x Roll of 3M Molding Tape
- 6 x 316 Stainless Steel Screws & Washers
- 6 x 316 Stainless Steel Nylon Nut Inserts
- 6 x Black Screw Caps (to protect screw had from elements)

Notes:
- Does Not Fit With JDM Aero Splash Guards
- Fits With USDM Aero Splash Guards ((Slight trim of underneath corner required)
- Fits with Rear Lips
- Fits with Mud Flaps
- Tight fit with tips over 3.5inchs
- 6 Holes are required to be drilled for hardware
- Rear Brake Light Fits As Well
- Silicone is Required to adhere to the side panels as well as required as a seal between the body of the bumper and the Carbon Fiber Valance.  The seal should be around the entire outside part to keep water from seeping in-between. 3M tape alone will not hold the product to the textured valance of the OEM bumper.

Applications:
2015-2021 WRX
2015-2021 STI

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
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]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 54781298402

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4.1 ★★★★★
Based on 9 reviews
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William M. Ferriter
Carnegie, US
★★★★★ 5
Not Your Average Laptop Stand
One of the things that I always worry about with stands for my computer is how sturdy they will be. If they aren't sturdy, they aren't really worth having. This is super sturdy -- I don't feel any bounce or flex when I work on it. It's also super well made and looks good sitting on my desk. Both of those things make this one of the best stands that I've used. I just wish it were adjustable.
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Reviewed in the United States on September 7, 2025
B
Verified Purchase
Brandon
Belleville, US
★★★★★ 5
I’m really impressed with these 12-inch Heavy Duty Floating Shelf Brackets!
Size: 12 Inch, Style: Black 6Pack
I recently installed them in my living room to hold some books and decorative items, and they’ve been fantastic. The brackets feel extremely solid and well-made — the 1/5-inch thick iron gives them a sturdy, industrial look and they hold the shelves without any wobbling or sagging. I also love the sleek black finish; it looks modern and stylish, and it really complements my décor. Installation was straightforward and stress-free because the set comes with screws, anchors, and a lever — everything I needed to get the shelves up securely. The pack of six brackets is great because it gave me enough for multiple shelves and even an extra in case I need it. The only minor thing to note is that aligning the brackets perfectly requires a bit of patience, but once leveled, they hold like a dream. Overall, these brackets are a great combination of strength, style, and value. They’ve made my shelves look clean and professional, and I feel confident they’ll last for years. Highly recommend for anyone looking for heavy-duty, attractive shelf support!
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Reviewed in the United States on December 7, 2025
D
Verified Purchase
D Keller
Pawtucket, US
★★★★★ 5
High quality look for office
Size: 10 Inch, Style: Black 4Pack, Size: 10 Inch, Style: Black 4Pack
These brackets were exactly what I was looking for. Very solid construction, clean powder-coated finish, and they gave the shelves a modern industrial look without being bulky. Installation was straightforward, and once mounted into studs they felt extremely sturdy. I used them for floating wood shelves and was honestly impressed with how much weight they can handle without flexing. The black finish also matched perfectly with the rest of the room hardware. For the price, these are a great value and look far more expensive than they are. Would definitely buy again for future projects.
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Reviewed in the United States on May 1, 2026
R
Verified Purchase
Ryan S.
Carnegie, US
★★★★★ 5
Heavy duty brackets!
Size: 12 Inch, Style: Black 6Pack
Super heavy duty brackets. Slim look and hardware pack included is good quality. Comes with two kinds of anchors and matching screws. Bought multiple sets and very pleased with them. Paid 30 bucks for a 6 pack.
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Reviewed in the United States on March 27, 2026
A
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Amazon Customer
Chelsea, US
★★★★★ 5
Sturdy and easy to install
Size: 12 Inch, Style: Black 6Pack
These shelf brackets come with screws and are easily installed. Very sturdy and can hold 14 hardcover books easily. Would recommend these shelf brackets for use to hold things to the wall.
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Reviewed in the United States on April 17, 2026

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