BLOX Racing Rear Sway Bar 24mm Subaru WRX 2015-2021

Rated 4.0 out of 5
Based on 1 review
10 In stock
Suspension Sway Bars

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Part #: BXSS-10120-R

BLOX Racing sway bars are designed and manufactured to greatly improve the vehicle's handling, reduce body roll, as well as, increase the vehicle’s lateral stiffness.

Each sway bar is made from 55Cr3 Chromium steel and feature precision forged ends and exclusive polyurethane bushings that eliminate squeaks and the need for lubrication. Sway bars are subject to vigorous stress and fatigue testing and 72-hours of corrision salt spraying.

The sway bar, in essense, is a giant spring that ties in both wheels and effectively increases the stiffness on the side that is compressed the most during hard turns. BLOX Racing sway bars will properly transfer lateral grip and minimize camber changes through quick and hard cornering.

BLOX Racing always recommends proper tire and wheel size to maximize suspension performance.


  • Solid NOT hollow
  • 24mm thickness
  • Precision CNC bent
  • 3-way adjustable endlink mounting
  • Forged ends NOT welded
  • Includes brand new, polyurethane bushings

Rear sway also cross-fit these applications

  • 2008-2014 WRX, STi
  • 2009-2015 Forester
  • 2010-2014 Legacy
  • 2013-2018 Crosstrek


Any returns for an exchange or refund will be allowed within 30 days from the receipt of your order and must be authorized prior to shipping with an RMA Number (Return Merchandise Authorization). To receive your return instructions and RMA# please use our online form under Returns and Exchanges! Once you receive your return instructions please ship out the item at your earliest convenience and provide the tracking number to your customer service rep. The customer will be responsible for all shipping fees. Before shipping your product back please make sure you package it up exactly how you received it and in all of its original packaging. All items must be in brand new and resalable condition. Once the item is received it will be inspected and a credit will be issued accordingly. All returns are subject to a 15% restocking fee. Any returns received without an RMA# will be charged a restocking fee and any shipping fees associated with the return. An item that does not ship directly from IIR's warehouse is considered a "special order" item and no returns will be authorized.

average rating 4.0 out of 5
Based on 1 review
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1 Review
Reviewed by Kelvin B., from United States
I recommend this product
Rated 4 out of 5
Review posted

One of those mods I should've done long time ago

Upgraded sway bars are by far one of those best bang for you buck mods! Specially the Blox one since is really budget friendly. Car feels the same in normal driving but when agressive turning this bar does make a difference!

Install is not hard at all, the only thing to take into account is that even though the bushings come pre-greased you would need to re-grease them every so often, not sure if Blox bushings are supposed to be grease free, they didnt come with any grease, mine started squeaking after 3 months of install, thats usually how it goes with upgraded bushings.

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BLOX Racing Rear Sway Bar 24mm Subaru WRX 2015-2021
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