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02-07 Subaru WRX & STI Suspension Braces

Cusco Front Lower Arm Bar

Cusco offers two versions of their front lower arm brace. They are constructed of high tension lightweight aluminum. The simple Type 1 brace bolts to the lower arm in 2 places and improves chassis rigidity dramatically. This is perfect for a street car that just needs an improvement over stock, but will not be overly stiff. The Type 2 connects in multiple places on the lower arm and is designed for maximum rigidity. This is great for cars that see a lot of track time and need the most possible chassis support. Whether you choose the Type 1 or 2 brace you will not be disappointed.


  • FITMENT:
  • Subaru STI 2004-2007
  • Subaru WRX 2002-2007
Description Part # MSRP Price Inventory  
Type 1 Front Lower Arm Brace 666 475 A $99.00 $90.00 Ships from factory in 3-4 wks
Type 2 Front Lower Arm Bar 666 477 A $198.00 $180.00 4 available
Tanabe Sustec Under Brace

An often overlooked modification to performance vehicles is under bracing. Increasing the load on the chassis via engine and suspension enhancements can increase stresses on the chassis, leading to alignment shifting and metal fatigue. Reinforce your sports car with Tanabe under bracing! The internal construction of Tanabe bracing features a double I-beam design which achieves high rigidity without excessive weight. The high grade aluminum bracing will increase vehicle stability and balance tremendously by tying together crucial structural points under the car.


  • FITMENT:
  • Subaru STI 2004-2007
  • Subaru WRX 2002-2007
Description Part # MSRP Price Inventory  
Front / Middle Brace TUB045F $248.71 $226.10 2 available
GTSPEC 4-Point Ladder Bar

This bar braces the subframe and control arms in four points for improved handling and chassis rigidity. Constructed from hollow aluminum, this is also a very lightweight piece. It cannot be used in conjunction with any other front subframe brace.


  • FITMENT:
  • Subaru STI 2004-2007
  • Subaru WRX 2002-2007
Description Part # MSRP Price Inventory  
4-Point Ladder Bar GTS-SUS-1046 $197.01 $179.10 Usually ships in 1-4 weeks
GTSPEC Fender Reinforcements

Known as the "Gacchiri Support" in Japan or Cowl Support by SPT. This chassis reinforcement will greatly improves the handling dynamics of your WRX or STI. Mounts onto the door hinge and inner fender, creating a triangular support that greatly increases rigidity. Through tightening the unibody, steering response is greatly improved. Sold as a pair.


  • FITMENT:
  • Subaru STI 2004-2007
  • Subaru WRX 2002-2007
Description Part # MSRP Price Inventory  
Fender Reinforcements GTS-SUS-1091 $261.36 $237.60 2 available
GTSPEC Front Lower Tie Brace

The GTSPEC front lower tie brace for 02-05 WRX & STI replaces the stock jacking plate with CNC cut center piece. It also ties the front control arms to the center jacking plate for improved rigidity. This piece will work with the GT-Spec WRX/STI ladder bar and subframe brace.


  • FITMENT:
  • Subaru STI 2004-2005
  • Subaru WRX 2002-2005
Description Part # MSRP Price Inventory  
Front Lower Tie Brace GTS-SUS-1133 $242.55 $220.50 Usually ships in 1-4 weeks
GTSPEC Rear T-Braces

GTSPEC's WRX and STI T-Braces tie the mounting bolts on the rear lateral links to the chassis, making for improved rigidity, reduced flex, and improved stability. Sold as a pair.


  • FITMENT:
  • Subaru STI 2004-2007
  • Subaru WRX 2002-2007
Description Part # MSRP Price Inventory  
Rear T-Braces GTS-SUS-1145 $246.51 $224.10 Usually ships in 1-4 weeks
GTSPEC 3-piece Subframe Brace Kit

The GT-Spec 3-Piece subframe brace kits allows for the removal of the factory OEM U brace for a total weight savings of approximately 13lbs in the front end, making for improved steering response, rigidity, and overall handling. Constructed from aircraft grade hollow double-wall aluminum, this piece is strong, durable, and light - bracing your front end and significantly reducing weight. Some owners simply remove the OEM brace, but this leaves your radiator and oil pan open to road debris, bumps, and obstructions; the GT-Spec subframe gives the stiffness of the OEM brace, without the weight and the worry of road obstacles damaging the radiator and oil pan. The GT-Spec brace will require the removal of the plastic engine under-cover and some shimming will be required to use a ladder bar or ARM bar.


  • FITMENT:
  • Subaru STI 2004-2007
  • Subaru WRX 2002-2007
Description Part # MSRP Price Inventory  
Subframe Brace Kit GTS-SUS-1092 $652.41 $593.10 2 available
GTSPEC Rear Differential Mount

Got a clunk? GTSPEC's WRX & STI heavy duty rear differential mount will make for quicker launches and eliminate the clunking associated with the differential mount flexing. This will make for improved power delivery at the expense of some increased chassis vibration.


  • FITMENT:
  • Subaru STI 2004-2007
  • Subaru WRX 2002-2007
Description Part # MSRP Price Inventory  
Rear Differential Mount GTS-SUS-1192 $216.81 $197.10 5 available
Cusco Front Member Power Brace

The Cusco Front Member Power Brace will stiffen the chassis and increase body rigidity for increased cornering ability and reduced flex. Power Braces are powder coated in classic Cusco blue feature tubular oval construction with 1.6mm wall thickness, making them stiff yet light weight. All Cusco Power Braces and connect to existing chassis bolt holes and mounting points for a completely reversible application that requires no drilling or fabrication.


  • Note:
  • this item requires removal of the stock bumper beam
  • FITMENT:
  • Subaru STI 2004-2007
  • Subaru WRX 2002-2007
Description Part # MSRP Price Inventory  
Front Member Power Brace 672 492 FMLHD $251.46 $228.60 Ships from factory in 3-4 wks
Cusco Rear Underside Power Braces

The Cusco Rear Underside Power Brace will stiffen the chassis and increase body rigidity for increased cornering ability and reduced flex. Power Braces are powder coated in classic Cusco blue feature tubular oval construction with 1.6mm wall thickness, making them stiff yet light weight. All Cusco Power Braces and connect to existing chassis bolt holes and mounting points for a completely reversible application that requires no drilling or fabrication.


  • FITMENT:
  • Subaru STI 2004-2007
  • Subaru WRX 2002-2007
Description Part # MSRP Price Inventory  
Cusco Rear Underside Power Braces 672 492 R $165.33 $150.30 2 available
Cusco Rear Trunk Power Brace

The Cusco Rear Trunk Power Brace will stiffen the chassis and increase body rigidity for increased cornering ability and reduced flex. Power Braces are powder coated in classic Cusco blue feature tubular oval construction with 1.6mm wall thickness, making them stiff yet light weight. All Cusco Power Braces and connect to existing chassis bolt holes and mounting points for a completely reversible application that requires no drilling or fabrication.


  • FITMENT:
  • Subaru STI 2004-2007
  • Subaru WRX 2002-2007
Description Part # MSRP Price Inventory  
Cusco Rear Trunk Power Brace 672 492 RTLHD $224.73 $204.30 1 available
Cusco Center Underside Power Brace

The Cusco Center Underside Power Brace will stiffen the chassis and increase body rigidity for increased cornering ability and reduced flex. Power Braces are powder coated in classic Cusco blue feature tubular oval construction with 1.6mm wall thickness, making them stiff yet light weight. All Cusco Power Braces and connect to existing chassis bolt holes and mounting points for a completely reversible application that requires no drilling or fabrication.


  • FITMENT:
  • Subaru STI 2004-2007
  • Subaru WRX 2002-2007
Description Part # MSRP Price Inventory  
Cusco Center Underside Power Brace 672 492 C $501.93 $456.30 2 available
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©2014 JSC Speed Inc.
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18902

Tel: 215.489.2820
Fax: 215.489.2826