SKU: 091016 | UPC: 74787186
GrimmSpeed 93-07 Impreza Models / 94-99 Legacy / 03-08 Forester Master Cylinder Brace
The GrimmSpeed Master Cylinder Brace reinforces the firewall mount for 1993-2007 Subaru Impreza models, 1994-1999 Legacy, and 2003-2008 Forester. This billet aluminum part eliminates flex in the master cylinder support during aggressive braking, delivering crisper pedal response and better pressure consistency. Bolt-on design installs in under 10 minutes using factory locations.
Key Features
- Billet 6061-T6 Aluminum Construction: Provides rigidity without added weight at just 4 ounces for responsive braking without compromising handling.
- Black Anodized Finish: Resists corrosion and wear for long-lasting performance in harsh conditions.
- Stainless Steel Hardware Included: Ensures secure mounting with corrosion-resistant bolts and washers.
- Direct Bolt-On Design: Fits existing factory holes with no modifications, drilling, or cutting required.
- Brake Pedal Improvement: Stiffens support structure to reduce deflection, enhancing modulation and confidence on track or street.
Product Notes
- MPN 091016 designed specifically for listed Subaru models with non-turbo and turbo variants.
- Clean with mild soap and avoid abrasive cleaners to maintain finish.
- Packages in protective foam for safe transit.
Installation Notes
- Professional installation recommended.
- Remove stock brace if present, align brace, and torque bolts to 10 ft-lbs.
- Compatible with OEM master cylinder and aftermarket big brake kits.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1993-1995 | Subaru | Impreza | Base |
| 1993-1994 | Subaru | Impreza | LS |
| 1993-2001 | Subaru | Impreza | L |
| 1995-1996 | Subaru | Impreza | LX |
| 1996-1997 | Subaru | Impreza | Brighton |
| 1995-2004 | Subaru | Impreza | Outback |
| 1998-2005 | Subaru | Impreza | RS |
| 2002-2004 | Subaru | Impreza | TS |
| 2002-2007 | Subaru | Impreza | WRX |
| 2004-2007 | Subaru | Impreza | WRX STI |
| 2005-2007 | Subaru | Impreza | Outback Sport |
| 2006-2007 | Subaru | Impreza | 2.5i |
| 2006-2007 | Subaru | Impreza | WRX Limited |
| 2006-2007 | Subaru | Impreza | WRX TR |
| 2007 | Subaru | Impreza | WRX STI Limited |
| 1994 | Subaru | Legacy | Alpine Sport |
| 1994-1996 | Subaru | Legacy | LS |
| 1994-1997 | Subaru | Legacy | LSi |
| 1994-1999 | Subaru | Legacy | L |
| 1994 | Subaru | Legacy | GT |
| 1994 | Subaru | Legacy | Sport |
| 1994 | Subaru | Legacy | Sun Sport |
| 1994 | Subaru | Legacy | Touring |
| 1994 | Subaru | Legacy | Outdoor |
| 1995 | Subaru | Legacy | Base |
| 1995-1999 | Subaru | Legacy | Brighton |
| 1995-1999 | Subaru | Legacy | Outback |
| 1995-1998 | Subaru | Legacy | Postal |
| 1996-1999 | Subaru | Legacy | GT |
| 1997 | Subaru | Legacy | Outback Limited |
| 1998 | Subaru | Legacy | GT Limited |
| 1999 | Subaru | Legacy | L 30th Anniversary |
| 1999 | Subaru | Legacy | SUS 30th Anniversary |
| 1999 | Subaru | Legacy | Limited 30th Anniversary |
| 1999 | Subaru | Legacy | Outback Limited |
| 2006 | Subaru | B9 Tribeca | Base |
| 2006 | Subaru | B9 Tribeca | Limited |
| 2003-2005 | Subaru | Forester | XS |
| 2003-2009 | Subaru | Forester | X |
| 2004-2005 | Subaru | Forester | XT |
| 2005 | Subaru | Forester | XS L.L. Bean Edition |
| 2005 | Subaru | Forester | XT Premium |
| 2006-2008 | Subaru | Forester | X L.L. Bean Edition |
| 2006-2009 | Subaru | Forester | XT Limited |
| 2008 | Subaru | Forester | Sports 2.5 X |
| 2008 | Subaru | Forester | Sports 2.5 XT |
| 2009 | Subaru | Forester | X Limited |
| 2009 | Subaru | Forester | X Premium |
| 2009 | Subaru | Forester | XT |
Why Choose GrimmSpeed?
- Engineered for Subaru owners with decades of rally-inspired development.
- CNC machined in the USA from premium materials for exact fit and durability.
- Backed by rigorous testing on street and track for reliable results.
Frequently Asked Questions
- Q: Will this fit my 2004 Subaru Impreza WRX STI?
A: Yes, it fits 2004-2007 Impreza WRX STI as well as RS, TS, WRX, and other listed submodels using the factory master cylinder mount. - Q: What material is the brace made from?
A: CNC machined from 6061-T6 aircraft-grade aluminum with black anodizing and includes stainless steel hardware for strength and corrosion resistance. - Q: Does GrimmSpeed offer a warranty?
A: Yes, covered under GrimmSpeed satisfaction guarantee with lifetime support for manufacturing defects when installed correctly.
Shipping & Handling
- Method: USPS Priority or UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Secure foam-lined box, 6 x 4 x 2 inches
- Weight: 0.45 lbs





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