The HKS Type-S Side Skirts for the GR Corolla are designed to do more than visually lower the car — they play a critical role in managing airflow along the vehicle’s sides, improving aerodynamic balance between the front and rear of the chassis.
Developed alongside the rest of the HKS Type-S aero program, these side skirts help stabilize airflow that has already been conditioned by the front bumper spoiler, preventing high-pressure air from spilling underneath the vehicle.
This results in a more planted, predictable feel at speed — especially when paired with other functional aero components.
Using CFD analysis and 3D CAD modeling, HKS shaped the Type-S side skirts to:
• Reduce airflow intrusion under the chassis
• Maintain consistent pressure along the rocker panels
• Improve overall aerodynamic balance
• Support front and rear aero components
• Enhance high-speed stability
Rather than aggressively sculpted or over-styled pieces, these skirts are intentionally clean and subtle — allowing them to visually integrate with the factory body lines while delivering real aerodynamic benefit.
Designed to complement the GR Corolla’s factory widebody without overpowering it.
Works with the front bumper spoiler to keep airflow moving cleanly down the sides of the car instead of underneath it.
Rear section is shaped to accept the HKS emblem, reinforcing the motorsport-inspired aesthetic.
Developed as part of a full aero package tested at Fuji Speedway for real-world stability improvements.
The HKS Type-S Side Skirts are manufactured from high-quality FRP / GFRP depending on configuration.
• Lightweight and rigid construction
• Designed for durability at speed
• Supplied unpainted
• Separate painting required
Professional paint and installation are recommended for best results.
Estimated installation time: Approximately 3 hours
Mounts using supplied hardware and double-sided tape
Test fitting prior to paint is strongly recommended
Vehicle: 2023–2026 Toyota GR Corolla
Engine: G16E-GTS
Chassis: GZEA14H
While this listing is for the Type-S Side Skirts only, they are engineered to integrate seamlessly with:
• HKS Type-S Front Bumper Spoiler
• HKS Type-S Rear Spoiler
• HKS Type-S Rear Wing
For best aerodynamic balance, HKS recommends using matched aero components.
These are ideal for GR Corolla owners who want:
• Functional aero, not cosmetic add-ons
• Improved high-speed stability
• OEM-plus styling that doesn’t look overdone
• A balanced track-inspired build
• Aero parts designed as a system
If you’re investing in proper front and rear aero, side skirts are not optional — they are the missing link.
Do these side skirts add downforce?
They primarily improve aerodynamic balance by reducing airflow under the car, supporting front and rear aero effectiveness.
Are these purely cosmetic?
No. They were designed using CFD analysis as part of a complete aero system tested by HKS.
Do they come painted?
No. Separate painting is required.
Do they fit the stock GR Corolla body?
Yes. Designed specifically for the OEM GR Corolla widebody.
Part #53004-AT032
The HKS Type-S Side Skirts for the GR Corolla are designed to do more than visually lower the car — they play a critical role in managing airflow along the vehicle’s sides, improving aerodynamic balance between the front and rear of the chassis.
Developed alongside the rest of the HKS Type-S aero program, these side skirts help stabilize airflow that has already been conditioned by the front bumper spoiler, preventing high-pressure air from spilling underneath the vehicle.
This results in a more planted, predictable feel at speed — especially when paired with other functional aero components.
Using CFD analysis and 3D CAD modeling, HKS shaped the Type-S side skirts to:
• Reduce airflow intrusion under the chassis
• Maintain consistent pressure along the rocker panels
• Improve overall aerodynamic balance
• Support front and rear aero components
• Enhance high-speed stability
Rather than aggressively sculpted or over-styled pieces, these skirts are intentionally clean and subtle — allowing them to visually integrate with the factory body lines while delivering real aerodynamic benefit.
Designed to complement the GR Corolla’s factory widebody without overpowering it.
Works with the front bumper spoiler to keep airflow moving cleanly down the sides of the car instead of underneath it.
Rear section is shaped to accept the HKS emblem, reinforcing the motorsport-inspired aesthetic.
Developed as part of a full aero package tested at Fuji Speedway for real-world stability improvements.
The HKS Type-S Side Skirts are manufactured from high-quality FRP / GFRP depending on configuration.
• Lightweight and rigid construction
• Designed for durability at speed
• Supplied unpainted
• Separate painting required
Professional paint and installation are recommended for best results.
Estimated installation time: Approximately 3 hours
Mounts using supplied hardware and double-sided tape
Test fitting prior to paint is strongly recommended
Vehicle: 2023–2026 Toyota GR Corolla
Engine: G16E-GTS
Chassis: GZEA14H
While this listing is for the Type-S Side Skirts only, they are engineered to integrate seamlessly with:
• HKS Type-S Front Bumper Spoiler
• HKS Type-S Rear Spoiler
• HKS Type-S Rear Wing
For best aerodynamic balance, HKS recommends using matched aero components.
These are ideal for GR Corolla owners who want:
• Functional aero, not cosmetic add-ons
• Improved high-speed stability
• OEM-plus styling that doesn’t look overdone
• A balanced track-inspired build
• Aero parts designed as a system
If you’re investing in proper front and rear aero, side skirts are not optional — they are the missing link.
Do these side skirts add downforce?
They primarily improve aerodynamic balance by reducing airflow under the car, supporting front and rear aero effectiveness.
Are these purely cosmetic?
No. They were designed using CFD analysis as part of a complete aero system tested by HKS.
Do they come painted?
No. Separate painting is required.
Do they fit the stock GR Corolla body?
Yes. Designed specifically for the OEM GR Corolla widebody.
Part #53004-AT032
