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I finally installed the RSX bar this afternoon at my buddies dealership. My car is 1000000000% stock.

The installation was pretty easy and took about 10 min, but we put it on upside down the first time. I checked the DIY pictures on this site and realized this, so we took it off and put it on the right way.

We took it for a test drive and the rear of the car had NOTICEBLY LESS body roll. I was kind of skeptical at first that the rear RSX bar would make such a drastic difference, but it did.

Pros: Very easy install, body roll is reduced, bang for buck (pay only 55 or under for the bar, bushing, brackets), and no change in ride quality.

Cons: The rear bar does not fit 100% perfectly like the OEM bar did (fit is like 95-97%) Slight hint of oversteer (but if you've driven your civic for like 3 months then you're probably familiar with your cars handling dynamics so this shouldn't be a problem).

So anyone who is remotely into handling get this bar ASAP!!!!!

 
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i been thinking about getting one myself.

 
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Just to give a more visible example on how much a simple upgrade like a 19mm anti-roll bar can make... Assuming both the 13mm Stock bar and the RSX 19mm bar are solid, that means the 19 mm bar is about 456% stronger then the stock 13mm bar.

Using the larger bar diameter^4/smaller bar diameter^4 * 100 = percent change in stiffness Formula.


Personally I ran the 19mm bar for a while, originally with the 01's stock 25.4mm front anti roll bar... I then replaced the 25mm bar with an 03s 16mm front bar.... and now........ I recently replaced the 19mm rear bar with a 25.4mm Hollow 2 point adjustible rear bar. Handles Great for what I do, which is autocross.

 
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Rsx rear sway bar is so worth it. I couldnt believe how good it handled when I first installed it. I was really amazed. I think every civic owner should get one

 
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i love mine!

 
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I've got a 19mm bar - I agree, for the price it's a fantastic upgrade.

How would that 03 front sway help me with the 19 in the rear? My car would be 98% street, 2% auto-x.

 
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ditto

 
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you'd get a bit more oversteer, and you'd have better traction on the nose for corner exit acceleration. The down side is that you'd want to run more negitive camber on the nose due to the increased body roll there.

with my setup, 15.9mm front 25.4mm rear, I run -2.5 camber in the front. Even still, when I ran the 15.9mm front and the 19mm rear, I only had -.6 in the front, and it still handled MUCH Better then with the 25.4 mm front.. I just had to run Higher tire preasures to lower the amound of tire rollover

 
Rep Power: 338

for me, it's my best mod.
a lot of ppl mod the sway bar even if the car handles well. It can change the characteristics of the car dramatically.