🎉 Up to 70% Off Selected ItemsShop Sale
Product image 1
Product image 2
Product image 3
Product image 4
Product image 5
Product image 6
Product image 7
Product image 8
Product image 9
Product image 10
Product image 11
Product image 12
Product image 13
HomeStore

2015 - 2021 Subaru Wrx/Sti Rear Diffuser V3

2015 - 2021 Subaru Wrx/Sti Rear Diffuser V3

🚨 Lead Time: 2 Weeks

Designed for the 2015–2021 Subaru WRX / STI

🔧 Direct Fitment
Specifically engineered to mount directly to the factory rear bumper with no cutting or trimming required.

🛠️ Material
Crafted from aerospace-grade lightweight aluminum for superior durability and strength.

⚙️ Finish & Build Quality
Precision CNC-cut and professionally powder coated in gloss black. Pre-drilled for straightforward installation.

Made in the USA
Proudly designed and manufactured in the United States using premium materials.

🧰 Install-Friendly
Includes all required hardware.
Professional installation is highly recommended.

💨 Why Add a Rear Diffuser to Your WRX/STI?
This rear diffuser enhances the WRX/STI’s aggressive styling while improving aerodynamic performance. By optimizing underbody airflow, it helps reduce drag and increase rear-end stability at higher speeds.

Select Options
From $84.30

Original: $281.00

-70%
2015 - 2021 Subaru Wrx/Sti Rear Diffuser V3

$281.00

$84.30

Product Information

Shipping & Returns

Description

🚨 Lead Time: 2 Weeks

Designed for the 2015–2021 Subaru WRX / STI

🔧 Direct Fitment
Specifically engineered to mount directly to the factory rear bumper with no cutting or trimming required.

🛠️ Material
Crafted from aerospace-grade lightweight aluminum for superior durability and strength.

⚙️ Finish & Build Quality
Precision CNC-cut and professionally powder coated in gloss black. Pre-drilled for straightforward installation.

Made in the USA
Proudly designed and manufactured in the United States using premium materials.

🧰 Install-Friendly
Includes all required hardware.
Professional installation is highly recommended.

💨 Why Add a Rear Diffuser to Your WRX/STI?
This rear diffuser enhances the WRX/STI’s aggressive styling while improving aerodynamic performance. By optimizing underbody airflow, it helps reduce drag and increase rear-end stability at higher speeds.

You may also like

-70%NEW
Thumbnail 1Thumbnail 2

Speedlogix 84mm Ported Throttle Body 2005-2012 5.7L, 6.1L, 6.4L

$397.95

$119.38

NEW
Thumbnail 1Thumbnail 2

Speedlogix Logo Decal 3"x1"

$1.95

-70%NEW
Thumbnail 1Thumbnail 2

Speedlogix Logo 10" Diecut Decal

$1.95

$0.58

-70%NEW
Thumbnail 1Thumbnail 2

Speedlogix Rear Trunk Brace Close Out Panels

$34.95

$10.48

-70%NEW
Thumbnail 1Thumbnail 2

Speedlogix 4-pt Camlock Elite Racing Harness Belt (11 Colors)

$203.95

$61.18

-70%NEW
Thumbnail 1

Eibach Pro Truck Front Coilover Kit 2019-2023 Ram 1500

$802.95

$240.88

-70%NEW
Thumbnail 1Thumbnail 2

K&N Throttle Control Module

$235.95

$70.78

-70%NEW
Thumbnail 1Thumbnail 2

KW V3 Coilover Kit 2021-2023 Mustang Mach-E

$3,709.95

$1,112.98

NEW
Thumbnail 1

Eibach Pro-Lift Springs (Front) +2.7" 2019-2023 TRX

$8,653.00

-70%NEW
Thumbnail 1Thumbnail 2

ICON 2" Lift Spacer Kit 2021-2023 TRX

$6,514.00

$1,954.20

-70%NEW
Thumbnail 1Thumbnail 2

QTP Aggressor Electric Cutout Pipes 2021-2023 TRX

$20,022.00

$6,006.60

-70%NEW
Thumbnail 1Thumbnail 2

Wilwood TX6R Front Big Brake Kit (Red) 2021-2023 TRX

$72,114.00

$21,634.20