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Product Media
GrimmSpeed Master Cylinder Brace - Subaru WRX/STI 2008-2014 / Legacy GT VDC 2007-2009
GrimmSpeed Master Cylinder Brace - Subaru WRX/STI 2008-2014 / Legacy GT VDC 2007-2009
GrimmSpeed Master Cylinder Brace - Subaru WRX/STI 2008-2014 / Legacy GT VDC 2007-2009
GrimmSpeed Master Cylinder Brace - Subaru WRX/STI 2008-2014 / Legacy GT VDC 2007-2009
GrimmSpeed Master Cylinder Brace - Subaru WRX/STI 2008-2014 / Legacy GT VDC 2007-2009
GrimmSpeed Master Cylinder Brace - Subaru WRX/STI 2008-2014 / Legacy GT VDC 2007-2009
GrimmSpeed Master Cylinder Brace - Subaru WRX/STI 2008-2014 / Legacy GT VDC 2007-2009
GrimmSpeed Master Cylinder Brace - Subaru WRX/STI 2008-2014 / Legacy GT VDC 2007-2009
GrimmSpeed Master Cylinder Brace - Subaru WRX/STI 2008-2014 / Legacy GT VDC 2007-2009
GrimmSpeed Master Cylinder Brace - Subaru WRX/STI 2008-2014 / Legacy GT VDC 2007-2009
GrimmSpeed Master Cylinder Brace - Subaru WRX/STI 2008-2014 / Legacy GT VDC 2007-2009
Community Media
User Media for: GrimmSpeed Master Cylinder Brace - Subaru WRX/STI 2008-2014 / Legacy GT VDC 2007-2009
User Media for: GrimmSpeed Master Cylinder Brace - Subaru WRX/STI 2008-2014 / Legacy GT VDC 2007-2009
User Media for: GrimmSpeed Master Cylinder Brace - Subaru WRX/STI 2008-2014 / Legacy GT VDC 2007-2009
User Media for: GrimmSpeed Master Cylinder Brace - Subaru WRX/STI 2008-2014 / Legacy GT VDC 2007-2009
User Media for: GrimmSpeed Master Cylinder Brace - Subaru WRX/STI 2008-2014 / Legacy GT VDC 2007-2009
User Media for: GrimmSpeed Master Cylinder Brace - Subaru WRX/STI 2008-2014 / Legacy GT VDC 2007-2009
User Media for: GrimmSpeed Master Cylinder Brace - Subaru WRX/STI 2008-2014 / Legacy GT VDC 2007-2009
User Media for: GrimmSpeed Master Cylinder Brace - Subaru WRX/STI 2008-2014 / Legacy GT VDC 2007-2009
User Media for: GrimmSpeed Master Cylinder Brace - Subaru WRX/STI 2008-2014 / Legacy GT VDC 2007-2009
User Media for: GrimmSpeed Master Cylinder Brace - Subaru WRX/STI 2008-2014 / Legacy GT VDC 2007-2009

GrimmSpeed Master Cylinder Brace

Subaru WRX/STI 2008-2014 / Legacy GT VDC 2007-2009

$99.00

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Features & Product Details

RallySport Direct proudly carries a great selection of quality aftermarket performance products brought to you by GrimmSpeed. 

 

This is the GrimmSpeed Master Cylinder Brace. This master cylinder brace is the result of countless invested hours of research to solve a prevalent issue of firewall flexing under braking in your vehicle. If you participate in high-performance driving conditions or even the occasional spirited canyon run, then you may have experienced the unnerving factory firewall structural flaw that leaves much room for improvement. Thankfully, GrimmSpeed has provided the performance enthusiast with a quality solution designed to improve the overall brake pedal feel and performance of your vehicle. 

 

 

DETAILS:

  • CNC Laser-cut 12L14 construction
  • Multi-point welded fabrication
  • Designed with 5 factory mounting points
  • Durable powder-coated black finish
  • Reduces the firewall flex under hard braking conditions
  • Drastically improves the overall brake pedal feel
  • Designed with a large diameter pressure cup
  • Simple Allen key locking mechanism
  • Performs well on both track and street conditions
  • Includes hardware
  • Product Video

    Specifications

    Brand: GrimmSpeed
    Color: Black
    Installation Hardware Included: Yes
    Material: 12L14 Carbon Steel
    Location: Master Cylinder
    Mfgr. Warranty: Lifetime
    Condition: New Product
    Return Policy:
    RallySport Guarantee

    PEOPLE WHO VIEWED THIS ITEM ALSO VIEWED

    REVIEWS & CUSTOMER MEDIA

    63 Reviews
    4.4 out of 5 Stars
    5 Stars
    (38)
    4 Stars
    (19)
    3 Stars
    (1)
    2 Stars
    (2)
    1 Stars
    (3)
    Customer Photos and Videos
    GrimmSpeed Master Cylinder Brace ( Part Number: 091029)
    GrimmSpeed Master Cylinder Brace ( Part Number: 091029)
    GrimmSpeed Master Cylinder Brace ( Part Number: 091029)
    GrimmSpeed Master Cylinder Brace ( Part Number: 091029)
    GrimmSpeed Master Cylinder Brace ( Part Number: 091029)
    GrimmSpeed Master Cylinder Brace ( Part Number: 091029)
    GrimmSpeed Master Cylinder Brace ( Part Number: 091029)
    GrimmSpeed Master Cylinder Brace ( Part Number: 091029)
    GrimmSpeed Master Cylinder Brace ( Part Number: 091029)
    GrimmSpeed Master Cylinder Brace ( Part Number: 091029)
    DOES Fit The 09 WRX 3 years ago
    4out of 5stars
    KBOTTO
    I was hesitant to get this since I saw a couple of people with narrowbody wrx's having a fitment issue and that it can 3 plus hours to install. The brace, in fact, DOES fit the 09 wrx, but it takes some finagling to get it in place. I also had my top mount intercooler off, which I'm betting made installation a little easier since I could get my hands in other directions. Installation took me around an hour to one and a half hours. The difference in brake feel is pretty noticeable but its definitely not a substantial difference.
      
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    Update on 1st review 3 years ago
    4out of 5stars
    heatsink
    On my 1st review that gave me a CEL. That is now resolve and the code was a lean bank. I did re adjust the clamp that holds the FPR so that it won't touch the fuse box. I also attached the obd reader. The CEL just turned off by itself and I didn't even clear the code. I do notice a firm feel on the brake pedal when driving. I can still see a flex with the brace after install. Per instruction to make one half to one full turn on the shaft which I did one full turn and still notice the flex.
      
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    0 of 1 people found the following review helpful
    Master Cylinder Brace 3 years ago
    3out of 5stars
    heatsink
    It was a very tough install like 4 hours?! Can't really notice a difference. I also notice when I release my brake pedal I can hear a click then next thing I know CEL. Don't know the code yet. Hope it's not something serious. The material is good quality though.
      
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    Noticable but not a giant difference 3 years ago
    4out of 5stars
    Astro_Fresco
    I installed this with Stainless steel braided lines. I definitely feel more of a firm response but it's not a night and day difference.
      
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    0 of 1 people found the following review helpful
    Does not fit a 2009 WRX 4 years ago
    1out of 5stars
    DangItsHang
    This did not fit my 2009 WRX (hatch). Following along with GrimmSpeed's installation video, the brace seems to line up with whatever holes it needs to in the engine bay, but the supplied bolts did not thread through any of these holes at all. Additionally, some of the existing immovable OEM lines got in the way of actually inserting the bolts. There was another review stating that this brace did not fit his 2008 WRX. I have a strong feeling this brace does not fit the 2008–2010 narrowbody WRXs. I would strongly advise against purchasing this product if you own a WRX from one of those model years.
      
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    QUESTIONS & ANSWERS

    • Q: fitment  Sean 09 STI hatch4 years ago

      will this fit a right hand drive car ?
      • 0 of 0 people found the following answer helpful

        A:  This part is only confirmed for LHD USDM vehicles.

        Michael N.
          
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    • Q: Firewall welds!  $teveMac5 years ago

      Just had my firewall welds repaired and ordered this part a while back; just never got around to installing it. Question is: will this prevent/help prevent my firewall welds from cracking again in the future?? Thanks!
      • 0 of 3 people found the following answer helpful

        A:  The master cylinder brace is designed to help stiffen the brake feel, not add any chassis stiffness.

        Cody
          
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    • Q: Fits 2015 STI?  FE7 years ago

      Does this fit the 15 or you just need to use a longer bolt or something?
      • 0 of 0 people found the following answer helpful

        A:  i would like to know this as well, if it fits ill be ordering 1!

        spyounger41670
          
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      • 0 of 0 people found the following answer helpful

        A:  i would like to know this as well, if it fits ill be ordering 1!

        spyounger41670
          
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    • Q: Please Confirm Material  Ferny8 years ago

      Can you please confirm the steel alloy that this brace is made from? Ledloy (12L14) is generally not suitable for applications requiring welding (high sulfur content causes the welds to have a habit of failing). Thanks.
      • 0 of 0 people found the following answer helpful

        A:  Grimmspeed was able to respond to this inquiry and we will be removing the 12L14 label. They mentioned the labeling was outdated and had not been altered for a few years. They are constructed out of mild steel and then powdercoated and they have not had any issues with weld failure.

        Nick S. @ RallySport Direct 8 years ago  
          
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    • Q: master cyl. brace fits??  buc20139 years ago

      will grimmspeed mstr. cyl. brace fit 2011 impreza 2.5i non turbo hatch automatic ???
      • 1 of 1 people found the following answer helpful

        A:  This will only work on the Turbo models listed. Mike

        GrimmSpeed
          
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      • 0 of 0 people found the following answer helpful

        A:  This brace is only confirmed to fit WRX/STI models as well as Legacy models.

        Kyle A. @ RallySport Direct 9 years ago  
          
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      • 1 of 1 people found the following answer helpful

        A:  It fits perfectly fine. I hand no issues installing this on my 2009 2.5i NA automatic sedan.

        evaradar
          
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    This Part Fits

    Subaru Impreza
    2.5 GT Hatchback
    2009 Subaru Impreza 2.5 GT Hatchback
    2010 Subaru Impreza 2.5 GT Hatchback
    2.5 GT Sedan
    2009 Subaru Impreza 2.5 GT Sedan
    2010 Subaru Impreza 2.5 GT Sedan
    WRX Hatchback
    2008 Subaru Impreza WRX Hatchback
    2009 Subaru Impreza WRX Hatchback
    2010 Subaru Impreza WRX Hatchback
    2011 Subaru Impreza WRX Hatchback
    2012 Subaru Impreza WRX Hatchback
    2013 Subaru Impreza WRX Hatchback
    2014 Subaru Impreza WRX Hatchback
    WRX Limited Hatchback
    2010 Subaru Impreza WRX Limited Hatchback
    2011 Subaru Impreza WRX Limited Hatchback
    2012 Subaru Impreza WRX Limited Hatchback
    2013 Subaru Impreza WRX Limited Hatchback
    2014 Subaru Impreza WRX Limited Hatchback
    WRX Limited Sedan
    2010 Subaru Impreza WRX Limited Sedan
    2011 Subaru Impreza WRX Limited Sedan
    2012 Subaru Impreza WRX Limited Sedan
    2013 Subaru Impreza WRX Limited Sedan
    2014 Subaru Impreza WRX Limited Sedan
    WRX Premium Hatchback
    2010 Subaru Impreza WRX Premium Hatchback
    2011 Subaru Impreza WRX Premium Hatchback
    2012 Subaru Impreza WRX Premium Hatchback
    2013 Subaru Impreza WRX Premium Hatchback
    2014 Subaru Impreza WRX Premium Hatchback
    WRX Premium Sedan
    2010 Subaru Impreza WRX Premium Sedan
    2011 Subaru Impreza WRX Premium Sedan
    2012 Subaru Impreza WRX Premium Sedan
    2013 Subaru Impreza WRX Premium Sedan
    2014 Subaru Impreza WRX Premium Sedan
    WRX STI Hatchback
    2008 Subaru Impreza WRX STI Hatchback
    2009 Subaru Impreza WRX STI Hatchback
    2010 Subaru Impreza WRX STI Hatchback
    2011 Subaru Impreza WRX STI Hatchback
    2012 Subaru Impreza WRX STI Hatchback
    2013 Subaru Impreza WRX STI Hatchback
    2014 Subaru Impreza WRX STI Hatchback
    WRX STI Limited Hatchback
    2011 Subaru Impreza WRX STI Limited Hatchback
    2012 Subaru Impreza WRX STI Limited Hatchback
    2013 Subaru Impreza WRX STI Limited Hatchback
    2014 Subaru Impreza WRX STI Limited Hatchback
    WRX STI Limited Sedan
    2011 Subaru Impreza WRX STI Limited Sedan
    2012 Subaru Impreza WRX STI Limited Sedan
    2013 Subaru Impreza WRX STI Limited Sedan
    2014 Subaru Impreza WRX STI Limited Sedan
    WRX STI Sedan
    2011 Subaru Impreza WRX STI Sedan
    2012 Subaru Impreza WRX STI Sedan
    2013 Subaru Impreza WRX STI Sedan
    2014 Subaru Impreza WRX STI Sedan
    WRX STI Special Edition Hatchback
    2010 Subaru Impreza WRX STI Special Edition Hatchback
    WRX Sedan
    2008 Subaru Impreza WRX Sedan
    2009 Subaru Impreza WRX Sedan
    2010 Subaru Impreza WRX Sedan
    2011 Subaru Impreza WRX Sedan
    2012 Subaru Impreza WRX Sedan
    2013 Subaru Impreza WRX Sedan
    2014 Subaru Impreza WRX Sedan