2015-2021 Subaru WRX STI Aftermarket Parts

Up to $12.75 off

Revel
GT Dry Carbon Air Intake Cover - 1 Piece
Fits: 15-21 WRX/STI

$24225~~$255.00~~ Save $12.75
Air Lift Performance
Front Air Suspension Kit | 78541
Fits: 15-21 WRX/STI

$1,10000
Up to $55 off

In Stock

Seibon
Carbon Fiber Fog Light Surround
Fits: 15-17 WRX/STI

$49500~~$550.00~~ Save $55
In Stock

COBB Tuning
COBB Weighted Round Delrin Shift Knob - White - Interchangeable Base
Fits: 02-26 WRX, 04-21 STI, 05-12 Legacy GT

Only 15 left

$9900
Spyder
Apex Series Sequential LED Headlights PRO-YD-SWRX15LEDAP-SBSEQ-BK
Fits: 15-21 WRX Limited, 18-21 STI

$63100
Spec-D Tuning
Spec-D Tail Light w/ Sequential LED Turn Signal and LED Side Marker Brake Reverse
Fits: 15-21 WRX/STI

$40700
Up to $35.25 off

In Stock

Perrin Performance
Perrin Rear Shock Tower Brace - Red
Fits: 15-21 WRX/STI

Only 13 left

$19975~~$235.00~~ Save $35.25
Up to $39 off

In Stock

Tein
Flex Z Coilovers
Fits: 15-21 WRX/STI VAG/VAF

$1,00100~~$1,040.00~~ Save $39
In Stock

COBB Tuning
V3 Air/Oil Separator - AOS
Fits: 08-14 WRX, 08-21 STI, 05-09 Legacy GT/Outback XT, 09-13 Forester XT

$59500
In Stock

COBB Tuning
3-Port Boost Control Solenoid (BCS)
Fits: 08-14 WRX, 08-21 STI, 05-09 Legacy GT, 05-09 Outback XT, 09-13 Forester XT

$18500
In Stock

COBB Tuning
Silicone Turbo Inlet V2 - Black
Fits: 08-21 STI

$29000
In Stock

COBB Tuning
Pitch Stop Mount - Black
Fits: 02-25* WRX, 04-21 STI, 04-18 Forester XT, 05-25 Legacy GT/XT, 05-25 Outback XT/Wilderness

$12500
In Stock

GrimmSpeed
DRY-CON Panel Filter | 060091
Fits: 08-21 WRX / 08-18 STI / 09-18 Forester / 13-17 Crosstrek / 05-17 Legacy

$8200
Bilstein
B8 Performance Plus Shocks and Struts Kit
Fits: 15-21 WRX/STI

$95800
JDMuscle
Spoiler Carbon Fiber Wing Gurney Flap V3
Fits: 15-21 STI/ WRX w/ STI

$22900
In Stock

GrimmSpeed
Downpipe to Catback 3in Gasket - Universal | 022001

Only 1 left

$4200

2015-2021 Subaru STI Parts for Sale

If you want to improve the performance, appearance, or longevity of your Subaru STI, then aftermarket 2015 STI parts are a great place to start. Back in 2011, the Subaru company laid the legal groundwork for a number of ambitious performance parts. Over the years, they’ve created high quality aftermarket parts and performance parts for highly anticipated models and at JDMuscle, you have access to top-quality from the last decade.

Subaru's aftermarket 2015 STI parts hit their stride with a wide range of enhancements and performance solutions for an array of vehicles made during this period of time. Today, many of these groundbreaking 2015 STI parts still hold their value. JDMuscle carries STI upgrades for parts ranging from 2015 models and beyond, including:

2016 STI parts
2017 STI parts
2018 STI parts
2019 STI parts
2020 STI parts
2021 STI parts

We Carry a Wide Selection of Aftermarket 2015 STI Parts

We have the widest selection of dedicated 2015 STI parts available online today. Your options are practically unlimited with our inventory and expertise. Start your journey toward better performance and more power by taking a look at where it all started with 2011 STI parts.

Here at JDMuscle, we have proudly offered the finest in high performance automotive upgrades since 2019. With more than three decades of cumulative experience, you're sure to get the parts and accessories to help you achieve the look, feel, and power you're looking for. Our knowledge and expertise are second to none. Get in touch today to match your Subaru STI with the finest performance enhancements available. Our team is eager to answer your questions.