Yellow Speed Racing Dynamic Pro Sport Coilovers – 2002-2007 Subaru WRX / 2004 Subaru STI (GD)
Street-Ready Performance Without the Compromise
The Yellow Speed Racing Dynamic Pro Sport coilovers are designed for drivers who want meaningful handling improvement without giving up the ride quality needed for daily use. The system features 33-way adjustable damping and full-length ride height adjustment, letting each driver dial in a setup that suits their specific road and track requirements. Pillowball front upper mounts with adjustable camber plates sharpen steering response, while aluminum rear upper mounts with hardened rubber bushings keep road noise in check on the street.
| FRONT | REAR | |
|---|---|---|
| Spring Rates | 8k | 6k |
| Upper Mount | Pillowball w/ Camber Plates | PillowballorAluminum w/ Hardened Rubber Bushings |
Application Notes
- FrontLower Mount Clevis Width = 26mm
- Fits 02-07 Impreza & WRX Models + 04 STI
- Fits Sedan and Wagon models
Built for the Street, Proven on Track
On MacPherson strut applications, Yellow Speed Racing integrates a steel lower bracket that adds rigidity to the lower mount and includes a properly positioned brake line bracket — welded to match the factory routing. The lower bracket allows ride height adjustment by winding up or down on the shock body, keeping the suspension travel range intact at any chosen height. Forged alloy aluminum brackets are used on double-wishbone applications where applicable, with electroplated or anodized surface treatment for corrosion resistance.
Validated Fit and Function
Each application is test fitted and road tested before release. High-quality internal components are selected for durability and consistent performance over time. Vehicle ride height can be lowered 2.5 inches or more depending on the configuration.
Why Choose Yellow Speed Racing
Yellow Speed Racing has been engineering suspension systems since 2003, with development rooted in competitive motorsport. Their coilovers are used across circuit racing, drift competition, rally, and time attack globally. Every kit is hand-assembled to order, with vehicle-specific valving and fitment validated through real-world testing. The Dynamic Pro Sport line sits at the core of their catalog — a thoroughly developed, well-rounded system that has earned a strong track record across a wide range of platforms and driving styles.
The RallySport Take
The Dynamic Pro Sport is the entry point into the Yellow Speed Racing lineup and a strong one at that. The 33-way damping range and street-biased spring rates give you a genuinely usable setup without locking you into a track-only compromise. If your build is headed toward more serious track use, Yellow Speed’s Premium Competition or Advanced Pro Plus Circuit Spec kits are the next step up — but for the majority of enthusiast builds on WRX, STI, BRZ, and the 86 platform, the Dynamic Pro Sport gets the job done.
What’s in the Box
- 4x coilover assemblies (2 front, 2 rear)
- Pillowball front upper mounts with adjustable camber plates
- Aluminum rear upper mounts with hardened rubber bushings
- 33-way adjustable damping on all four corners
- Full-length ride height adjustment via lower bracket
- Spanner wrenches
- All mounting hardware
Note: Yellow Speed Racing coilovers are hand-built to order. Estimated lead time is 2-3 weeks. Contact us for current lead times at [email protected]. Product photos are representative — actual finish and appearance may vary slightly by production run.
Fitment
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004 | Subaru | STI | All |
| 2002-2007 | Subaru | WRX | All |





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