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The Subaru WRX STI is renowned for its performance and handling, making it a favorite among car enthusiasts. However, to truly unlock its potential, upgrading the suspension components can make a significant difference in both handling and ride quality.
Understanding Suspension Upgrades
Before diving into specific components, it’s essential to understand how suspension upgrades can enhance your WRX STI’s performance. Upgrading suspension components can lead to:
- Improved handling and cornering stability
- Better ride quality and comfort
- Increased adjustability for different driving conditions
Key Suspension Components to Consider
When upgrading your WRX STI’s suspension, consider the following key components:
- Coilovers
- Strut braces
- Sway bars
- Control arms
- Bushings
Coilovers
Coilovers are one of the most popular upgrades for the WRX STI. They combine the spring and shock absorber into a single unit, allowing for greater adjustability in ride height and damping settings. Popular options include:
- BC Racing BR Series
- KW Variant 3
- Bilstein B16 PSS10
Strut Braces
Strut braces help to reduce chassis flex, improving handling and response during cornering. They are a relatively inexpensive upgrade that can provide noticeable benefits. Recommended brands include:
- Whiteline
- Cusco
- Torque Solutions
Sway Bars
Upgrading the sway bars can significantly enhance cornering performance by reducing body roll. A thicker sway bar will provide a stiffer feel, improving overall handling. Some top choices are:
- Whiteline Adjustable Sway Bars
- Hotchkis Performance Sway Bars
- ST Suspensions Sway Bars
Control Arms
Upgraded control arms can improve alignment and handling characteristics. They can also provide better clearance for larger wheels and tires. Notable brands include:
- SuperPro Control Arms
- Whiteline Control Arms
- SPC Performance Control Arms
Bushings
Upgrading to performance bushings can reduce flex and improve responsiveness. They provide a more direct connection between the chassis and suspension components. Consider these options:
- Whiteline Polyurethane Bushings
- Energy Suspension Bushings
- SuperPro Bushings
Conclusion
Upgrading the suspension components of your Subaru WRX STI can significantly enhance both handling and ride quality. By investing in high-quality parts, you can enjoy a more responsive and enjoyable driving experience. Whether you choose coilovers, sway bars, or control arms, each component plays a crucial role in achieving the best performance from your vehicle.