GiroDisc 2-Piece Slotted Front Rotors — Fits 2018+ Subaru WRX STI

SKU: GIRA1-185
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About GiroDisc GiroDisc engineers high-quality automotive parts and accessories trusted ...Read More

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Sale price$1,057.19
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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 GiroDisc

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

Watch in action

Precision Braking for Subaru WRX STI

Unlock the full potential of your 2018+ Subaru WRX STI with GiroDisc 2-piece slotted front rotors. These rotors are purpose-built for enthusiasts who demand consistent, fade-free braking performance under extreme conditions. By utilizing a high-performance 2-piece construction, GiroDisc effectively separates the braking surface from the mounting hat, allowing for thermal expansion and preventing the stress-related warping common with one-piece OEM rotors.

Why Choose GiroDisc for Your STI:

  • Optimized for the 2018+ WRX STI platform.
  • Slotted design maintains clean pad contact for maximum friction.
  • Lightweight aluminum hats reduce unsprung weight for better handling.
  • Superior heat dissipation prevents brake fade during heavy track use.
  • High-carbon iron discs provide exceptional durability and long service life.

The GiroDisc system is designed to work seamlessly with your factory calipers, making it an ideal upgrade for those looking to improve their vehicle's stopping distance and pedal feel. The reduction in rotating mass not only improves braking but also enhances the overall responsiveness of your Subaru's suspension. Engineered for those who refuse to compromise on quality, these rotors are the gold standard for performance driving. Upgrade your stopping power today with the expert selection available at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About GiroDisc

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

Watch in action

Precision Braking for Subaru WRX STI

Unlock the full potential of your 2018+ Subaru WRX STI with GiroDisc 2-piece slotted front rotors. These rotors are purpose-built for enthusiasts who demand consistent, fade-free braking performance under extreme conditions. By utilizing a high-performance 2-piece construction, GiroDisc effectively separates the braking surface from the mounting hat, allowing for thermal expansion and preventing the stress-related warping common with one-piece OEM rotors.

Why Choose GiroDisc for Your STI:

  • Optimized for the 2018+ WRX STI platform.
  • Slotted design maintains clean pad contact for maximum friction.
  • Lightweight aluminum hats reduce unsprung weight for better handling.
  • Superior heat dissipation prevents brake fade during heavy track use.
  • High-carbon iron discs provide exceptional durability and long service life.

The GiroDisc system is designed to work seamlessly with your factory calipers, making it an ideal upgrade for those looking to improve their vehicle's stopping distance and pedal feel. The reduction in rotating mass not only improves braking but also enhances the overall responsiveness of your Subaru's suspension. Engineered for those who refuse to compromise on quality, these rotors are the gold standard for performance driving. Upgrade your stopping power today with the expert selection available at GGCRACING.

Product Details

Product Description

About GiroDisc

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

Watch in action

Precision Braking for Subaru WRX STI

Unlock the full potential of your 2018+ Subaru WRX STI with GiroDisc 2-piece slotted front rotors. These rotors are purpose-built for enthusiasts who demand consistent, fade-free braking performance under extreme conditions. By utilizing a high-performance 2-piece construction, GiroDisc effectively separates the braking surface from the mounting hat, allowing for thermal expansion and preventing the stress-related warping common with one-piece OEM rotors.

Why Choose GiroDisc for Your STI:

  • Optimized for the 2018+ WRX STI platform.
  • Slotted design maintains clean pad contact for maximum friction.
  • Lightweight aluminum hats reduce unsprung weight for better handling.
  • Superior heat dissipation prevents brake fade during heavy track use.
  • High-carbon iron discs provide exceptional durability and long service life.

The GiroDisc system is designed to work seamlessly with your factory calipers, making it an ideal upgrade for those looking to improve their vehicle's stopping distance and pedal feel. The reduction in rotating mass not only improves braking but also enhances the overall responsiveness of your Subaru's suspension. Engineered for those who refuse to compromise on quality, these rotors are the gold standard for performance driving. Upgrade your stopping power today with the expert selection available at GGCRACING.

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