AST Suspension Lowering Springs - 2015-2021 Subaru WRX STI 20mm/20mm

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SKU: ASTASTLS-18-026
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Sale price$275.99 Regular price$305.85
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About AST

AST engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full AST lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

AST Suspension Lowering Springs for 2015-2021 Subaru WRX STI

Elevate your Subaru WRX STI's performance and aesthetics with AST Suspension Lowering Springs. Engineered as a direct replacement for your OEM springs, these are meticulously designed for each specific vehicle application, ensuring a perfect fit and optimal function. Reduce your vehicle's center of gravity for improved handling and a more aggressive stance, all while maintaining a comfortable ride quality.

Key Features:

  • Vehicle Specific Design: Developed exclusively for the 2015-2021 Subaru WRX STI (VA chassis), including Base, Launch Edition, Limited, S209, Series.HyperBlue, and Type RA models.
  • Premium Construction: Crafted from high-quality materials using advanced Wafios coiling machines for superior durability and consistent performance.
  • Progressive Rate Design: Achieves an ideal balance between a lowered ride height and enhanced performance characteristics.
  • Lowered Stance: Provides a noticeable drop for an aggressive look and improved aerodynamics.
  • Comfort Preservation: Designed to retain a significant portion of the original ride comfort.
  • Lifetime Warranty: Backed by a lifetime warranty against breaking, offering unmatched peace of mind.

These AST lowering springs are the perfect upgrade for WRX STI owners looking to enhance their vehicle's appearance and driving dynamics. Experience a sportier feel and a more visually appealing profile without compromising daily drivability. Discover the difference quality engineering makes with AST Suspension.

Shop AST Suspension lowering springs at GGCRACING for your Subaru WRX STI.

Vehicle Fitment

Years Make Model Trim
2015 Subaru WRX STI Launch Edition
2015-2021 Subaru WRX STI Base
2015-2021 Subaru WRX STI Limited
2016 Subaru WRX STI Series.HyperBlue
2018 Subaru WRX STI Type RA
2019 Subaru WRX STI S209

Product Details

Product Description
Part Numbers
Sizing & Fit

About AST

AST engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full AST lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

AST Suspension Lowering Springs for 2015-2021 Subaru WRX STI

Elevate your Subaru WRX STI's performance and aesthetics with AST Suspension Lowering Springs. Engineered as a direct replacement for your OEM springs, these are meticulously designed for each specific vehicle application, ensuring a perfect fit and optimal function. Reduce your vehicle's center of gravity for improved handling and a more aggressive stance, all while maintaining a comfortable ride quality.

Key Features:

  • Vehicle Specific Design: Developed exclusively for the 2015-2021 Subaru WRX STI (VA chassis), including Base, Launch Edition, Limited, S209, Series.HyperBlue, and Type RA models.
  • Premium Construction: Crafted from high-quality materials using advanced Wafios coiling machines for superior durability and consistent performance.
  • Progressive Rate Design: Achieves an ideal balance between a lowered ride height and enhanced performance characteristics.
  • Lowered Stance: Provides a noticeable drop for an aggressive look and improved aerodynamics.
  • Comfort Preservation: Designed to retain a significant portion of the original ride comfort.
  • Lifetime Warranty: Backed by a lifetime warranty against breaking, offering unmatched peace of mind.

These AST lowering springs are the perfect upgrade for WRX STI owners looking to enhance their vehicle's appearance and driving dynamics. Experience a sportier feel and a more visually appealing profile without compromising daily drivability. Discover the difference quality engineering makes with AST Suspension.

Shop AST Suspension lowering springs at GGCRACING for your Subaru WRX STI.

Vehicle Fitment

Years Make Model Trim
2015 Subaru WRX STI Launch Edition
2015-2021 Subaru WRX STI Base
2015-2021 Subaru WRX STI Limited
2016 Subaru WRX STI Series.HyperBlue
2018 Subaru WRX STI Type RA
2019 Subaru WRX STI S209

Product Details

Product Description

About AST

AST engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full AST lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

AST Suspension Lowering Springs for 2015-2021 Subaru WRX STI

Elevate your Subaru WRX STI's performance and aesthetics with AST Suspension Lowering Springs. Engineered as a direct replacement for your OEM springs, these are meticulously designed for each specific vehicle application, ensuring a perfect fit and optimal function. Reduce your vehicle's center of gravity for improved handling and a more aggressive stance, all while maintaining a comfortable ride quality.

Key Features:

  • Vehicle Specific Design: Developed exclusively for the 2015-2021 Subaru WRX STI (VA chassis), including Base, Launch Edition, Limited, S209, Series.HyperBlue, and Type RA models.
  • Premium Construction: Crafted from high-quality materials using advanced Wafios coiling machines for superior durability and consistent performance.
  • Progressive Rate Design: Achieves an ideal balance between a lowered ride height and enhanced performance characteristics.
  • Lowered Stance: Provides a noticeable drop for an aggressive look and improved aerodynamics.
  • Comfort Preservation: Designed to retain a significant portion of the original ride comfort.
  • Lifetime Warranty: Backed by a lifetime warranty against breaking, offering unmatched peace of mind.

These AST lowering springs are the perfect upgrade for WRX STI owners looking to enhance their vehicle's appearance and driving dynamics. Experience a sportier feel and a more visually appealing profile without compromising daily drivability. Discover the difference quality engineering makes with AST Suspension.

Shop AST Suspension lowering springs at GGCRACING for your Subaru WRX STI.

Vehicle Fitment

Years Make Model Trim
2015 Subaru WRX STI Launch Edition
2015-2021 Subaru WRX STI Base
2015-2021 Subaru WRX STI Limited
2016 Subaru WRX STI Series.HyperBlue
2018 Subaru WRX STI Type RA
2019 Subaru WRX STI S209

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