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Rear Sway Bar for FR-S / BRZ

30 Minutes

Part Numbers
PSP-SUS-229 = 16mm
PSP-SUS-230 = 19mm
PSP-SUS-232 = 22mm
PSP-SUS-234 = 25mm
Was: $219.00
Sale: $197.10
Save: 10%
Save: $21.90

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- Select Rear Sway Bar Size... -
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FR-S & BRZ Rear Sway Bar

Take your vehicles handling to the next level with PERRIN Performance sway bars. Upgrading your sway bar is the easiest way to improve vehicle handing. Sway bars increase roll resistance and modify vehicle balance. In general, adding a larger rear sway bar increases over steer, and adding a larger front sway bar increases under steer. Upgrade both front and rear sway bars to reduce body roll and tune vehicle balance to your preference.

16mm, 19mm, 22mm or 25mm

PERRIN Performance sway bars come in four different sizes; 16mm, 19mm, 22mm and 25mm. We recommend the 16mm sway bar upgrade for drivers wanting sportier handling over stock or comparable tires. Driving enthusiast will enjoy the feel of a larger rear sway bar as it reduces under steer and in some cases adds over steer for drifting enthusiasts. When upgrading tires to grippier compounds and wider widths the larger sizes may be just what you are looking for. For a noticeable upgrade in stiffness while keeping close to OEM balance, combine our 19mm front Sway Bar with our 16mm rear sway bar. For a more aggressive upgrade try the 22mm front sway bar matched with the 19mm rear sway bar.


PERRIN Performance sway bars incorporate multiple end link mounting holes which allow for a customizable experience. The adjustability allows you to fine tune your handling whether it be track or street oriented.

Centering Rings

PERRIN Performance sway bars feature centering rings that prevent sway bar movement in hard cornering. This keeps your sway bar centered and ready for the next corner.


PERRIN sway bars are CNC precision bent from solid 4130 chromoly steel. The entire bar is heavily powder coated to fight corrosion and give it a great red finish. We laser cut and MIG weld our bar ends for precise placement and superior strength. This type of bar end will never fail and offer you a lifetime of superior handling.


All PERRIN sway bars include custom polyurethane bushings for a crisp response and better turn in. Special spiral cut pockets carved into the bushing surface extends the interval between re-greasing.


A sway bar is an automobile suspension device. It connects opposite (left/right) wheels together through short lever arms linked by a torsion spring. A sway bar increases the suspension's roll stiffness—its resistance to roll in turns, independent of its spring rate in the vertical direction.
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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
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Warranty Details

This product features a 5 year warranty Read Full Warranty

Tech Department




PERRIN 16mm Bar Hole #1 30% Stiffer than 14mm OEM bar
PERRIN 16mm Bar Hole #2 65% Stiffer than 14mm OEM bar
PERRIN 16mm Bar Hole #3 116% Stiffer than 14mm OEM bar
PERRIN 19mm Bar Hole #1 150% Stiffer than 14mm OEM bar
PERRIN 19mm Bar Hole #2 243% Stiffer than 14mm OEM bar
PERRIN 19mm Bar Hole #3 347% Stiffer than 14mm OEM bar
PERRIN 22mm Bar Hole #1 400% Stiffer than 14mm OEM bar
PERRIN 22mm Bar Hole #2 535% Stiffer than 14mm OEM bar
PERRIN 22mm Bar Hole #3 729% Stiffer than 14mm OEM bar

Compatibility Detail


2013-2015 Subaru BRZ Yes
2013-2015 Toyota FR-S Yes

In The Box

In The Box

(1) PERRIN rear sway bar
(1) Silicone-based grease packet
(2) Sway bar bushings and brackets
(1) PERRIN License Plate Frame


Shipping Information

  • Item Requires Shipping
  • 20.0 lbs.
  • W3.0000” x H7.0000” x L47.0000”
  • This item ships in its own box.