SKU: 24-249508 | UPC: 651860769592
Bilstein B8 Performance Plus Rear Monotube Shock Absorber for 2015-2021 Subaru WRX STI
Bilstein 24-249508 B8 Performance Plus is a rear monotube shock absorber designed for 2015-2021 Subaru WRX and WRX STI models. It works with aftermarket lowering springs and features application-specific valve settings to improve vehicle handling response.
Key Features
- Monotube Design: Gas pressure construction delivers consistent damping performance
- Application Specific Valving: Tuned for Subaru WRX and STI chassis dynamics
- Lowering Spring Compatible: Optimized for use with aftermarket spring sets
- OE Quality Testing: Meets or exceeds original equipment standards
- Direct Fit: Engineered for 2015-2021 WRX and STI rear suspension locations
Specifications
| Detail | Value |
|---|---|
| Brand | Bilstein |
| Type | Monotube Shock Absorber |
| Compatibility | 2015-2021 Subaru WRX and WRX STI |
| Position | Rear |
| Part Number | 24-249508 |
| Country of Origin | Germany |
| Warranty | Manufacturer limited warranty |
Whats Included
- One rear shock absorber
- Installation hardware as required
Product Notes
- Requires lowering springs for full performance
- Confirm fitment by vehicle trim before purchase
- Professional installation recommended
This Part Fits
| Year Range | Make | Model | Notes |
|---|---|---|---|
| 2015-2021 | Subaru | WRX | Base, Limited, Premium |
| 2015-2021 | Subaru | WRX STI | Base, Limited, Launch Edition, Series.HyperBlue |
Why Choose Bilstein?
- Monotube gas pressure technology for responsive damping
- Proven OE supplier to multiple vehicle manufacturers
- Extensive aftermarket catalog with over 3500 part numbers
- Rigorous quality testing for durability
Frequently Asked Questions
- Q: Is this shock sold individually?
- A: Yes, one shock absorber per unit.
- Q: Can it be used without lowering springs?
- A: It is designed primarily for use with lowering springs.
- Q: What is the recommended installation?
- A: Professional installation is advised for proper alignment and safety.
Shipping and Handling
- Method: Ground shipping via standard carriers
- Availability: In stock – ships same or next business day
- Packaging: Securely boxed for transit protection





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