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Strut Tower Brace for WRX/STI


30 Minutes

Part Number
PSP-SUS-051BK = 2002-2007 WRX/STI, Black
PSP-SUS-051RD = 2002-2007 WRX/STI, Red
PSP-SUS-056BK = 2008-2018 WRX/STI, Black
PSP-SUS-056RD = 2008-2018 WRX/STI, Red

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to

Was: $245.00
Sale: $220.50
Save: 10%
Save: $24.50

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Ultra-strong PERRIN Strut Tower Brace for the most challenging corners and an excellent accent piece for your engine bay.


With Subaru’s MacPherson strut design, the vehicles entire vertical suspension load is transmitted to the top of the vehicle's strut tower. For this reason there is inherent flex within the strut towers relative to the vehicle body. During performance driving there is enough flex to alter what should be static camber, toe, and caster settings. This change can make steering response and body roll more pronounced and unpredictable.

The PERRIN Performance strut tower brace solves this problem. During cornering, the PERRIN strut brace transfers the load of each strut tower via tension and compression of the strut bar to the opposing strut tower. This reduces flex by sharing the load and tying the strut towers together. The improved chassis rigidity enhances steering precision under high load conditions and reduces understeer. Tire wear and metal fatigue in the strut tower area can be reduced.


Utilizing heat-treated cast aluminum feet and mandrel bent, thin wall 4130 Cro-moly tubing, the PERRIN bar is strong while remaining lightweight.


The strut bar is powder coated for protection against the elements, the textured finish will look awesome for years to come. The feet are a glossy black powder coat, pad printed with the PERRIN logo. The PERRIN Strut Tower Brace for WRX / STI is available in red and black wrinkle powder coating.

5 Year Warranty

PERRIN Performance warrants to the original purchaser that all PERRIN products will be free from defects in material and workmanship within a sixty (60) month period from the date of purchase. *Some exclusions apply
» Read Full Warranty


Warranty Details

This product features a 5 year warranty Read Full Warranty

Tech Department




Feet Heat treated Cast Aluminum
Bar Mandrel bent, thin wall 4130 cro-moly tubing
Finish Bar: Texture powdercoat Feet: Glossy powdercoat

Compatibility Detail


2002-2018 WRX Yes
2004-2018 STI Yes
2002-2011 Impreza Yes
2012-2017 Impreza Yes, presses tight against firewall plastic
2008 Legacy GT Yes
2004-2008 Forester No
2004-2008 Forester XT No
PERRIN Top Mount Intercooler No
2013-2016 Crosstrek Yes
2014-2016 Subaru Forester XT Yes, presses tight against firewall plastic
2014-2016 Subaru Forester Yes, presses tight against firewall plastic

*Note: Unconfirmed fitment for vertical style coolers.

In The Box

In The Box

(1) PERRIN strut bar
(1) Left strut foot & (1) Right strut foot
All necessary mounting hardware
(1) PERRIN License Plate Frame


Shipping Information

  • Item Requires Shipping
  • 7.0 lbs.
  • W6.0000” x H10.0000” x L49.0000”
  • This item ships in its own box.