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SKU: 091029 | UPC: 67693886
GrimmSpeed Master Cylinder Brace 2008+ Subaru WRX/STI/Impreza / 2008-2009 Legacy GT
The GrimmSpeed 091029 Master Cylinder Brace is the best pedal feel and braking performance upgrade for 2008+ Subaru WRX/STI/Impreza and 2008-2009 Legacy GT owners. This billet aluminum brace eliminates master cylinder flex under hard braking, reducing spongy pedal feel and improving brake modulation and response – especially beneficial for track, autocross, or aggressive street driving where precise pedal control is critical.
Key Features
- Billet Aluminum Construction: CNC-machined 6061-T6 aluminum for maximum rigidity and durability
- Eliminates Flex: Ties master cylinder to firewall, preventing deflection under high brake pressure
- Improved Pedal Feel: Firmer, more direct pedal response for better modulation and shorter stops
- Direct Bolt-On: Uses factory mounting points – no modifications or drilling required
- Black Anodized Finish: Corrosion-resistant and premium appearance
Specifications
| Specification | Detail |
|---|---|
| Part Number | 091029 |
| Material | 6061-T6 Billet Aluminum |
| Finish | Black Anodized |
| Compatibility | 2008+ Subaru WRX/STI/Impreza & 2008-2009 Legacy GT |
| Installation | Direct Bolt-On (No Drilling) |
| Country of Origin | United States |
| Warranty | Limited Lifetime |
Product Notes
- Recommended for manual transmission models – improves pedal firmness and brake feel
- Ideal for track, autocross, or spirited street driving – noticeable difference under hard braking
Installation Notes
- Estimated time: 30-60 minutes, easy to moderate difficulty, basic hand tools required
- Direct bolt-on using factory firewall and master cylinder mounting points – professional installation optional
This Part Fits
| Year | Make | Model | Notes |
|---|---|---|---|
| 2008-2021 | Subaru | WRX / STI / Impreza | All Models (Manual Transmission) |
| 2008-2009 | Subaru | Legacy GT | 6-Speed Manual |
Why Choose GrimmSpeed Master Cylinder Brace?
- Eliminates master cylinder flex for firmer, more consistent pedal feel
- Precision billet aluminum construction with black anodized finish
- Limited lifetime warranty ensures long-term reliability
Frequently Asked Questions
-
Q: Will it make the pedal firmer?
A: Yes, significantly reduces spongy feel by eliminating master cylinder flex under hard braking. -
Q: Is it necessary for street driving?
A: Recommended for performance driving or track use – noticeable improvement in pedal response. -
Q: Does it fit automatic models?
A: Primarily for manual transmission – verify compatibility for automatic applications. -
Q: Is installation difficult?
A: Easy bolt-on – no special tools needed, but access may be tight in engine bay.
Shipping & Handling
- Method: UPS/FedEx Ground
- Availability: In stock, ships same or next business day
- Packaging: Official GrimmSpeed retail box
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