2015–2021 Subaru WRX/STI Aero Parts & Performance Upgrades

Build a More Aggressive 2015–2021 Subaru WRX/STI

Take your 2015–2021 Subaru WRX or STI to the next level with AeroFlowDynamics exterior aero and performance upgrades.

Whether you're building a clean OEM+ WRX, an aggressive street car, or a track-inspired STI, AeroFlowDynamics offers a wide selection of parts to transform the front, sides, rear, and overall stance of your Subaru.

The dedicated 2015–2021 WRX/STI collection currently features 41 products, including front splitters, lips, side skirt extensions, rear diffusers, canards, wings, window visors, exhaust systems, and more.

Shop the complete 2015–2021 WRX/STI collection:
https://www.aeroflowdynamics.com/collections/2015-2019-wrx-sti

🔥 Front Aero for Your WRX/STI

Give your Subaru a sharper and more aggressive front-end appearance with AeroFlowDynamics front aero.

Available options include:

• 2015–2021 WRX/STI V1 Splitter
• 2015–2021 WRX/STI V2 Splitter
• 2015–2021 WRX/STI V3 Splitter
• 2015–2021 WRX/STI V6 Splitter
• 2015–2021 WRX/STI AFD V1 Lip
• 2015–2021 WRX/STI V2 Lip
• Multiple canard configurations

The V2 Splitter, for example, is designed specifically for 2015–2021 WRX/STI fitment and is manufactured from lightweight aerospace-grade aluminum with CNC machining and a gloss-black powder-coated finish.

Shop WRX/STI Front Splitters:
https://www.aeroflowdynamics.com/collections/2015-2019-wrx-sti

Shop WRX/STI Front Lips:
https://www.aeroflowdynamics.com/collections/sti

🏁 WRX/STI Front Splitters

A front splitter is one of the easiest ways to dramatically change the appearance of your WRX/STI.

AeroFlowDynamics offers several designs so you can choose the style that matches your build.

V1 Splitter

A clean, aggressive option for enthusiasts looking for a straightforward front-end upgrade.

V2 Splitter

A more pronounced design that works particularly well with an aggressive street or performance build.

V3 Splitter

An alternative design for owners who want a distinctive front-end appearance.

V6 Splitter

Another aggressive option for creating a customized WRX/STI front end.

Carbon Fiber Splitter

For enthusiasts looking for a premium carbon-fiber appearance, AeroFlowDynamics also offers a 2015–2021 WRX/STI Carbon Fiber Splitter.

Browse all WRX/STI front aero:
https://www.aeroflowdynamics.com/collections/2015-2019-wrx-sti

🔻 Lower the Side Profile With Side Skirt Extensions

Complete your WRX/STI's side profile with AeroFlowDynamics side skirt extensions.

Available configurations include:

• V1 Side Skirt Extensions
• V2 Side Skirt Extensions
• V3 Side Skirt Extensions
• V5 Side Skirt Extensions
• V6 Side Skirt Extensions
• V7 Side Skirt Extensions
• Carbon Fiber Side Skirt Extensions

Side skirt extensions help visually connect your front and rear aero while creating a lower, wider, and more aggressive appearance.

AeroFlowDynamics currently lists several 2015–2021 configurations, including V2, V3, V5, V6, and V7 options.

Shop WRX/STI Side Skirt Extensions:
https://www.aeroflowdynamics.com/collections/2015-2019-wrx-sti

🏎️ Aggressive WRX/STI Rear Diffusers

Finish the rear of your Subaru with an AeroFlowDynamics rear diffuser.

Current 2015–2021 options include:

• V1 Rear Diffuser
• V2 Rear Diffuser
• V3 Rear Diffuser
• V4 Rear Diffuser
• V5 Aggressive Rear Diffuser
• V6 Rear Diffuser
• V7 Rear Diffuser

The V5 Aggressive Diffuser is one of the standout options, while the V1 and V2 designs offer additional styling directions. The dedicated diffuser collection currently lists seven 2015–2021 WRX/STI diffuser configurations.

Shop WRX/STI Rear Diffusers:
https://www.aeroflowdynamics.com/collections/sti-diffusers

🎯 Add Aggressive Detail With Canards

Take your WRX/STI front-end styling even further with AeroFlowDynamics canards.

Available options include:

• V1 Canards
• V2 Canards
• V4 Canards
• V5 Canards
• V6 Canards
• Carbon Fiber Canard options

Canards pair especially well with a front lip or splitter, helping create a more motorsport-inspired appearance.

Shop WRX/STI Canards:
https://www.aeroflowdynamics.com/collections/2015-2019-wrx-sti

🪽 WRX/STI Wing & Rear Styling

Complete your Subaru's appearance with a dedicated AeroFlowDynamics WRX/STI wing.

The 2015–2021 Subaru WRX/STI Wing is designed to give the rear of your vehicle a more aggressive performance-inspired appearance.

For additional rear-end styling, AeroFlowDynamics also offers rear spat extensions and other accessories for the platform.

Shop the WRX/STI Wing:
https://www.aeroflowdynamics.com/collections/2015-2019-wrx-sti

👀 2015–2021 WRX/STI Window Visors

Add a subtle but effective exterior upgrade with 2015–2021 Subaru WRX/STI Window Visors.

The window visors complement the WRX/STI's aggressive body lines while adding another finishing touch to your exterior build.

The product currently carries a 4.95/5 rating from 96 reviews on AeroFlowDynamics.

Shop WRX/STI Window Visors:
https://www.aeroflowdynamics.com/collections/2015-2019-wrx-sti

🔊 Upgrade Your WRX/STI Exhaust

Complete your build with an AeroFlowDynamics performance exhaust system.

The 2015–2021 collection currently includes:

AFD F1 Titanium Single Exit Exhaust

A lightweight, aggressive single-exit setup designed to complement a performance-oriented WRX/STI build.

AFD F1 Valved Catback Exhaust

For enthusiasts looking for greater exhaust versatility, AeroFlowDynamics also offers the 2015–2021 WRX/STI AFD F1 Valved Catback Exhaust.

Shop WRX/STI Exhaust Systems:
https://www.aeroflowdynamics.com/collections/2015-2019-wrx-sti

🛠️ Build Your Complete WRX/STI Aero Setup

Create a cohesive build by combining AeroFlowDynamics products throughout the vehicle.

FRONT

Start with a front lip, splitter, and canards.

SIDES

Add side skirt extensions to create a lower and more aggressive profile.

REAR

Finish the lower bumper with a rear diffuser and rear spat extensions.

TOP

Add a WRX/STI wing for a more aggressive rear appearance.

DETAILS

Complete the exterior with window visors and other accessories.

PERFORMANCE

Finish the build with an AFD F1 exhaust system.

This approach lets you build your WRX/STI from front to back while maintaining a cohesive visual theme.

Why Choose AeroFlowDynamics?

Multiple Styles for One Platform

The 2015–2021 WRX/STI platform has an extensive AeroFlowDynamics catalog, allowing you to choose between multiple splitter, diffuser, side skirt, canard, and wing designs.

Designed Around WRX/STI Fitment

AeroFlowDynamics offers vehicle-specific products for the 2015–2021 WRX/STI, making it easier to select parts designed around your platform.

Aggressive OEM+ Styling

The product lineup lets you enhance the factory WRX/STI design without completely changing the character of the vehicle.

Build Your Subaru Your Way

Mix and match different aero designs to create a setup that fits your personal style, whether that's subtle, aggressive, or track-inspired.

Shop All 2015–2021 Subaru WRX/STI Products

Ready to transform your WRX or STI?

Browse the complete AeroFlowDynamics collection and find the aero, exterior, and performance upgrades for your build.

2015–2021 Subaru WRX/STI Collection:
https://www.aeroflowdynamics.com/collections/2015-2019-wrx-sti

Subaru WRX/STI Collection:
https://www.aeroflowdynamics.com/collections/sti

WRX/STI Diffusers:
https://www.aeroflowdynamics.com/collections/sti-diffusers

All AeroFlowDynamics Products:
https://www.aeroflowdynamics.com/collections/all-products

🚗 Build Your WRX/STI. Make It Yours.

Your 2015–2021 Subaru WRX/STI deserves a build that stands out.

From aggressive splitters and side skirts to rear diffusers, canards, wings, window visors, and performance exhaust systems, AeroFlowDynamics gives you the parts to create a complete and personalized Subaru.

Upgrade the stance. Upgrade the styling. Build your WRX/STI with AeroFlowDynamics.

SHOP 2015–2021 SUBARU WRX/STI PRODUCTS:
https://www.aeroflowdynamics.com/collections/2015-2019-wrx-sti