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Old 01-11-2018, 12:19 AM   #1
Scooby Newbie
Member#: 480082
Join Date: Jan 2018
Default 05 wrx sway bar questions *help*

I have an 05 wrx. I want to up grade my suspension along with the sway bars specifically. I want to go with whiteline for sure for the sway bars,because I already have ball joints and tie rods from them and they are amazing, what size should I go with that would also be good for street use? Any help is appreciated
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Old 01-11-2018, 10:39 AM   #2
Samurai Jack
Scooby Guru
Member#: 21145
Join Date: Jul 2002
Chapter/Region: NESIC
Location: Not in my own time
2002 Enemy of Aku


" What size should I go with? "

Pretty hard to answer that one unless you tell us what you want to do with the car.

A good street combination is 22mm Front and 22mm Rear.
Makes a big improvement and still allows the suspension enough flex to cover most road irregularities.

As you go stiffer ( thicker bar ) the suspension becomes less forgiving as you go over bumps, potholes, speed bumps, dips, etc.
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Old 01-11-2018, 11:17 AM   #3
Newbie Moderator
Member#: 91347
Join Date: Jul 2005
Chapter/Region: NESIC
Location: Boston, MA
2004 Tacoma Crew Cab
2012 Triumph 1050


If you call your Whiteline supplier or local shop, they can help you with this. That will be a much better resource, as they are a local supplier and likely more familiar with the roads in your area.

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Old 01-18-2018, 09:46 AM   #4
Scooby Guru
Member#: 134005
Join Date: Dec 2006
Chapter/Region: MAIC
Location: Pittsburgh, PA
2004 WRX Premium


My recommendation would be 22 or 24mm front, 22mm adj rear... then tune to rear to how it matches the front. Contrary to poplar belief, running a larger bar than stock up front doesn't produce understeer. It actually helps with front end grip at the limit by giving your tires the chance to work correctly and keep them as flat as possible.

Everyone wants to go with some massive bar in the rear because "I want more oversteer". Not always the quickest way or safest way around a corner.

My taste is towards autocross setups, so people normally run 24mm in the front. I've even heard 27, but I think that's a bit overkill and people should be running stiffer springs at that point. Sometimes your class only allows one swaybar change and not springs.

I digress though - 22 front, 22 rear should be a solid point for the street. I would highly recommend swapping out the springs for the street even as the stock WRX in that year as really soft spring rates. 165lbs front I believe. STI take offs won't lower your car much at all, but give it a firm, but complacent ride with stock or stock replacement struts. I didn't find them overly sprung.
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