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Old 01-21-2007, 09:39 AM   #1
1cugoblak
Scooby Newbie
 
Member#: 127696
Join Date: Oct 2006
Chapter/Region: Tri-State
Location: Blue Bell PA.
Vehicle:
2007 STI
OBP

Default STI sway bars for WRX, just rear or both?

SPT catalog has 21mm STI sway bars for the WRX sedan and my dealer stocks them and discounts nicely for me. I am about 2 weeks from getting the Eibach pro kit springs installed along with 17x8 rotas and 225/45-17 Pirelli P Zero Nero M+S tires installed. I figured why not complement my tires and springs with sway bars. I am going for balanced street handling without the understeer. No autocross or roadracing, steet driven daily driver guys!! Do I need both or will just the rear work? Will just a rear bar make it oversteer more than a matched set?
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Old 01-21-2007, 10:46 AM   #2
Fred
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Member#: 3560
Join Date: Jan 2001
Chapter/Region: South East
Location: Four Oaks, NC
Vehicle:
06 STi, 02 WRX
94 Open Light 2.5RS

Default

21mm front is a waste of money for the amount of difference it will make. Get a whiteline 24mm front bar.

21mm rear will be okay, if you currently have a 17mm bar; if it's currently 20mm, waste of money also.
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Old 01-21-2007, 11:14 AM   #3
1cugoblak
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Join Date: Oct 2006
Chapter/Region: Tri-State
Location: Blue Bell PA.
Vehicle:
2007 STI
OBP

Default

I have an 05 WRX so rear is 17mm, stock front 19mm or 20mm?
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Old 01-21-2007, 04:39 PM   #4
ButtDyno
Street's closed, pizza boy
 
Member#: 17301
Join Date: Apr 2002
Chapter/Region: MAIC
Location: Why do they always say the Evo
Vehicle:
is the "dark side"
06 Evo #7 STU, 03 IS300

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I agree with Fred - went from a 21mm front bar to a 27mm and it was a HUGE difference for the better, in both steady state and transitions/turn-in.

If you're just daily driving of course, you don't need bars at all But if you're going through the effort of putting a front bar in, put one in big enough to really make a difference. (And check out the Swaybar FAQ)

I think all the WRX's have a 20mm front, but I don't know for sure. (That would be good to put into the FAQ. Hrm)

john
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