STi rear sway bar upgrade for WRX
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This is a discussion on STi rear sway bar upgrade for WRX within the Everyday Impreza Talk forums, part of the Community - Meet other Enthusiasts category; I was wondering if anyone put the STI rear anti-sway bar on their 2011+ WRX. It's pretty cheap and I ...

  1. #1
    Registered User Docc99's Avatar
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    STi rear sway bar upgrade for WRX

    I was wondering if anyone put the STI rear anti-sway bar on their 2011+ WRX. It's pretty cheap and I was wondering if anyone had any experience with it. Is it worth the $100? Thanks for any help or opinions.

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    Registered User Impreza2.0's Avatar
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    If it is a factory option, that sounds like a nice one. The WRX has for many years suffered from body roll, the sways correct that issue nicely. If it is a used part, you might consider Whiteline or Cobb, or another reputable brand, as the STi bar is still fairly tame.

    Before I stick that in the fire, are you planning to take the car to the track, or are you just a spirited driver looking for better performance? If track, heavier than STi bar would be nice. If road only, STi bar is still comfortable while reducing the huge roll on exit ramps.

  4. #3
    Luke Skywalker Mikie13's Avatar
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    You're better off with aftermarket sways. STIs still have some body roll themselves, so why add a not quite as good part? Difference would be negligible. You still have a weak flex point if you retain stock endlinks anyway.

    Either way, you're setting yourself up for more oversteer by not upgrading the front sway bar/endlinks along side of the rear. Not a terrible thing, but get ready for it.

    Going to 24mm front and 22mm rear sway bars would benefit you nicely.
    The Hawk-Eye Alliance #90|The Blobeye Syndicate #0|The Stink-Eye Mob #0|N.E.R.D. Founding Member & #3
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    Registered User Impreza2.0's Avatar
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    100% agree w/ Mikie. It is definitely to your benefit to replace both bars, and keep a balance with the diameter increase.

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    Registered User atranz's Avatar
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    I'd go aftermarket also. I went 24mm front and 22mm rear on my sti. Best bang for your buck. Don't forget the end links. I have kartboy front and rear.

    Sent from my SAMSUNG-SGH-I747 using Tapatalk 2

  7. #6
    Registered User Docc99's Avatar
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    Thanks for the info guys. It'll be strictly daily driven. Would the 24/22 setup decrease the ride comfort to any extent? I was kicking around the STi bar because it's cheap and a factory part.

  8. #7
    Luke Skywalker Mikie13's Avatar
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    Quote Originally Posted by Docc99 View Post
    Thanks for the info guys. It'll be strictly daily driven. Would the 24/22 setup decrease the ride comfort to any extent? I was kicking around the STi bar because it's cheap and a factory part.
    If you find pulling more Gs through turns and on-ramps as well as maintaining a flatter profile on turns to be a decrease in ride comfort, then yeah?
    The Hawk-Eye Alliance #90|The Blobeye Syndicate #0|The Stink-Eye Mob #0|N.E.R.D. Founding Member & #3
    2012 Lightning Red WRX Sedan Stock...for now Soon to be OpenSource tuned by: Mattypants @ WTF Tuning
    "If I have 10 ice cubes and you have 11 giraffes, how many pancakes can fit on the roof? Purple, because aliens donít wear hats" -Ying

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