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  1. Stifflers WEB-M01 1979-2004 Mustang Web Brace
    $284.95

    The Web brace ties together our full length subframe connectors and stiffening rails, creating the ultimate in chassis stiffening!

    As a key component of Stifflers Fully Integrated Technology (FIT)SystemTM, it provides a structurally engineered network (Web) of additional strength and stiffness, unmatched in todays market.

    Installation is easy with our Slide-2-SizeTM mounting brackets. No loss of ground clearance and will work with most other manufacturers rectangular full length subframe connectors too!

    - Slide-2-SizeTM mounting system makes installation nearly effortless; simply slide bracket into place and weld, for a custom fit every time.
    - Design optimized using CAD/CAE software combined with real-world test data.
    - Manufactured of 1 x .065 tubing to maximize stiffness and strength while reducing weight.
    - TIG welded for superior strength
    - Considerably increases side impact safety.
    - Works with any aftermarket square or rectangular full-length subframe connectors.
    - Engineered for no loss of ground clearance and no need to relocate fuel or brake lines.
    - No floors to cut or interior to remove.
    - Pre-masked areas for welding require NO removal of powder coat before installation, for significant time savings!
    - Industrial grade powder coat for long life, to outlast the vehicle.
    - Not a kit, comes complete and ready to install.
    - A key component of Stifflers Fully Integrated Technology (FIT)SystemTM.
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  2. Stifflers 79-04 Mustang Lower Chassis Brace (Aftermarket K Member)
    $189.95

    Stifflers' lower chassis brace dramatically increases the strength and stiffness of the front chassis area and Aftermarket K-members.

    This additional stiffness helps to maintain correct front suspension geometry while under load by minimizing flexing. The result is tighter steering response and more predictable handling under cornering and braking.

    - Manufactured of 1 x .083 tubing to maximize stiffness and strength while reducing weight.
    - Design optimized using CAD/CAE software combined with real-world test data.
    - Industrial grade powder coat for long life, to outlast the vehicle.
    - Updated design will now work with aftermarket long tube headers.

    Combine with our Spider Brace to completely integrate the front and rear chassis sections for unprecedented car control!

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  3. Stifflers 96-04 Mustang Lower Chassis Brace
    $119.95

    Stifflers' lower chassis brace dramatically increases the strength and stiffness of the front chassis area and factory K-member.

    This additional stiffness helps to maintain correct front suspension geometry while under load by minimizing flexing. The result is tighter steering response and more predictable handling under cornering and braking.

    - Manufactured of 1 x .083 tubing to maximize stiffness and strength while reducing weight.
    - Design optimized using CAD/CAE software combined with real-world test data.
    - Industrial grade powder coat for long life, to outlast the vehicle.

    Combine with our Spider Brace to completely integrate the front and rear chassis sections for unprecedented car control!

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  4. Stifflers 99-04 Mustang Spider Brace
    $234.95

    Don't suffer any longer with limp front frame rails, put the Spider to work for you and GET STIFF!

    Finally ... a way to stiffen your front frame rails without installing a 12pt-cage or converting to a tube chassis! This one-of-a-kind brace works with our Lower Chassis brace to completely integrate the K-member and subframe system, eliminating unwanted movement of the front frame rails caused by launching, cornering and braking. This patent pending system acts as a lower frame rail to greatly increase front end rigidity and transfers suspension loads to the strongest part of the car, the subframe system.

    - Dramatically increases front end rigidity by acting as a lower front frame rail.
    - Eliminates unwanted movement of the front frame rails.
    - Transfers front suspension loads to the subframe system.
    - Improves braking performance.
    - Decreases weight transfer response time.
    - Improves steering stability and predictability.
    - Four wheel alignment (front-to-rear) remains consistent.
    - Reduces interior vibration and noise.
    - Can be used alone or with Stifflers Fully Integrated Technology (FIT)System.
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  5. Stifflers STB-M03 2003-2004 Cobra Strut Tower Brace
    $199.95

    Not Getting Any Response, Make it Stiff!

    Installing a Stifflers strut tower brace adds strength and stiffness to the front end by integrating the strut towers and firewall, greatly reducing flex and alignment changes caused by front suspension loads during cornering and braking. Reducing this flex provides increased steering response and stability, giving you improved overall handling and control.

    - Engineered to be used with either 3 or 4 bolt caster / camber plates.
    - Clears larger aftermarket CAI's (including C&L).
    - Manufactured of 1 x .065 DOM tubing to maximize stiffness and strength while reducing weight.
    - Triangulated mounting is far stiffer than standard 2 point braces.
    - Design optimized using CAD/CAE software combined with real-world test data.
    - TIG welded for superior strength.
    - Industrial grade powder coat for long life.
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  6. Maximum Motorsports 03-04 Cobra Strut Tower Brace for Whipple and KB cars (Black) - MMSTB-8
    $209.97

    Out of stock

    Maximum Motorsports 03-04 Cobra Strut Tower Brace for Kenne Bell and Whipple Cars(Powdercoated Black)

    This strut tower brace has been test fitted so far on the 2.3L Whipple as well as the 2.2L, 2.4L 2.6L and 2.8L Kenne Bell blower cars with no fitment issues at all


    Flexing of the strut towers, both fore/aft and side to side, causes unpredictable alignment and handling changes, lack of roll coupling, vibration and metal fatigue. The MM Strut Tower Brace keeps the strut towers from moving relative to each other, by providing a load path between the strut towers and between each strut tower and the firewall. This will prevent alignment from changing under braking and cornering, making the car more stable and predictable. In addition, the increase in rigidity from the strut tower brace will also reduce firewall and dashboard vibration, metal fatigue and noise.

    The MM Strut Tower Brace is unique:

  7. The MM strut tower brace uses three bolts at each strut tower top, as three bolts are more rigid than two. We use 5/16" bolts, rather that the commonly used 1/4" bolts (which are known to break).
  8. MM's main tube is made of rigid 1-1/4" DOM seamless tubing. 1-1/4" tubing is twice as stiff as the generally used 1" tubing, and DOM seamless tubing is is 30% stiffer than the commonly used ERW type tubing.
  9. The firewall mounting point for the strut towers rear braces is the pinchweld which runs the width of the firewall. This pinchweld was formed by folding three pieces of metal together, and then welding them together. When attaching something to sheet metal, the best mounting point is at a joint or a corner, such as the pinchweld (the joining of the upper firewall, the lower firewall, and the floor of the cowl). The pinchweld is the strongest portion of the firewall, providing an extremely stiff mounting point for the strut brace.
  10. Nearly all other strut tower braces attach to the center of the firewall - the weakest and most flexible point. Attaching in this location adds little stiffness, and leads to cracking and tearing of the firewall.
  11. Our strut tower brace allows the use of all popular intake manifolds because no part of the brace passes over the top of the intake manifold.
  12. The MM strut tower brace is designed to allow the use of caster/camber plates.Learn More
  • Maximum Motorsports 96-04 Mustang 4-Point K Member Brace - MMKB4-4
    $134.97

    Maximum Motorsports 96-04 Mustang 4-Point K Member Brace

    * The front of the MM brace mounts to the bottom of the K-member. The rearward points of the brace mount at the K-Member-to-chassis mounting points.
    * The MM K-Member Brace's design includes a structural steel web. This splits the suspension loads. Part of the load goes into the unibody at the rearward K-member to chassis mounting points, and part goes straight across the K-member to the opposite side.
    * The mounting bolts for the brace attach through a structural tube. Unlike commonly used flat tabs, the suspension loads pass into the MM brace without deflecting the mounts.
    * Note: 4-Point braces will not clear long-tube headers. MMKB2-2 will clear most long-tube headers.

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  • Steeda G-Trac Brace (1979-2004 Mustang) - 555-5500
    $69.95

    Steeda G-Trac Brace Ð79-04 except convertible, Chrome-Moly - 555-5500

    The revolutionary G-Trac bar was developed by Steeda's SCCA road race team to stiffen the Fox body K-member and maintain proper suspension geometry in max-G cornering.

    Ford Motor Company thought it was such a good idea the factory used their own version starting in 1994.

    We still do it better using chrome moly alloy steel instead of mild steel with stamped ends for over twice the strength of the factory piece and also stronger than competitors mild steel offerings. Includes all hardware and instructions.

    Fits Fox Body & SN95 Ford Mustang; 1979,1980,1981,1982,1983,1984,1985,1986,1987,1988,1989,1990,1991,1992,1993,1994,1995.1996.1997.1998.1999.2000.2001.2002.2003.2004

    Requires drilling of 2 mounting holes for Fox Body 93-earlier applications.

    Note: Does not work with convertibles.

    • Improves suspension compliance
    • Also referred to as k-member brace
    • Includes all hardware and instructions


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  • Steeda Light-Weight Front Sway Bar Brackets (1994-2004 Mustang) - 555-8109
    $219.95

    Steeda Billet Aluminum Swaybar Brackets 94-04 - 555-8109

    A common suspension upgrade for SN95 Ford Mustang owners is a high performance front sway bar. Yet when you re-use the factory stamped, strap-type brackets to attach that beefy new bar, you never get the full benefit of that upgrade due to excessive flex in the steel original. These billet aluminum sway bar brackets eliminate that weak link.

    By more positively attaching the sway bar to the front sub-frame you minimize compliance roll and permit the bar to more efficiently reduce body roll through the turns. More precise, stable handing is the result.

    Installs easily with basic hand tools. New, longer bolts are supplied; crimp locking nuts are included.

    Compatible with Steeda sway bar 555 1094. Recommend Steeda Delrin bushing 555 8168 for best performance



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