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Old 02-10-2012, 12:44 AM   #1
0BlueSTi4
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Default Single best suspension mod for 2011 WRX hatch?

Just wondering what the technical community out there thinks is the best suspension mod for a daily driven stock 2011 WRX hatch?

Thanks!
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Old 02-10-2012, 09:39 AM   #2
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Sway bars. I added 22mm Perrin front and rear sways on stock end links. Super surprised with how big of a difference it made!
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Old 02-10-2012, 11:00 AM   #3
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Thats a tough one. I want to tell you to start with sway bars

To answer your question, if I had to give up all my suspension mods except one, I'd keep my RCE Bilsteins. Could not live without those.
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Old 02-10-2012, 11:40 AM   #4
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Tires
Alignment
Dude behind the wheel
Parts
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Old 02-10-2012, 12:51 PM   #5
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STi rear sway bar is like $70 new.
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Old 02-10-2012, 03:59 PM   #6
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The best mod is the one that alleviates your current dissatisfaction most robustly for the least time and money spent.

The technical community can provide their best answers if you let them know in what way you are not satisfied.
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Old 02-10-2012, 08:42 PM   #7
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Quote:
Originally Posted by Turn in Concepts
Tires
Alignment
Dude behind the wheel
Parts
Already planning to get better tires for next set.

Alignment is set to neutral for DD. Are u suggesting I pull some camber to help with carving?

Can't change the dude behind the wheel sorry

What parts are u referring to?
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Old 02-10-2012, 09:38 PM   #8
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Quote:
Originally Posted by 0BlueSTi4 View Post
Already planning to get better tires for next set.

Alignment is set to neutral for DD. Are u suggesting I pull some camber to help with carving?

Can't change the dude behind the wheel sorry

What parts are u referring to?
tires you understand.

do a more performance oriented alignment. on these cars in general we're talking some negative camber in the front. (-2 is a good general setting)

Rear will end up where it ends up until we start fine tuning things with parts.

0 toe front and rear as it's a daily driver.

Dude behind the wheel can always get better with practice (autoX, hpde, things that MAKE you think about the proper line, braking and throttle control).

THEN you can start to throw parts at it to address shortcomings. now that doesn't mean throw any part at it. you have to think of it as a system, and come up with a good approach toward maximizing dollar for performance.

This is where a knowledgeable and helpful vendor can come into play.
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Old 02-11-2012, 03:36 AM   #9
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Quote:
Originally Posted by SW21MR2
STi rear sway bar is like $70 new.
What about the front? Or is the stock one adequate?
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Old 02-11-2012, 03:41 AM   #10
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Quote:
Originally Posted by Turn in Concepts

(-2 is a good general setting)
Would that make the front tires wear out more on one side? And how would that affect straight line driving as in freeway cruising? Thanks!
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Old 02-11-2012, 04:22 AM   #11
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Quote:
Originally Posted by Subie_Noob_Brian
Sway bars. I added 22mm Perrin front and rear sways on stock end links. Super surprised with how big of a difference it made!
Is this with otherwise stock suspension? Also does the car ever lift an inner tire during hard cornering?
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Old 02-11-2012, 12:36 PM   #12
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Quote:
Originally Posted by 0BlueSTi4 View Post
Already planning to get better tires for next set.

Alignment is set to neutral for DD. Are u suggesting I pull some camber to help with carving?

Can't change the dude behind the wheel sorry

What parts are u referring to?
Tires let you use what you already have. All the parts in the world don't matter if your tires break free before you hit the limit of the suspension.

Alignment - again, optimizing what you already have.

Dude behind the wheel - Not a different dude but, once again, improving your driving skill will let you fully use what you already have. Most of us probably can't drive an OEM WRX to it's limit let alone a modded one.

Parts - he's saying after you've done all of the above and reached the limit of what you have, then you'll know where you want/need to improve and you won't need to ask which parts. You'll know.
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Old 02-11-2012, 12:57 PM   #13
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FWIW, I think the stock supension is perfect for DD. Nice and soft and compliant. No need to start changing things for a street car if will never be pushed even remotely close to its limits.
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Old 02-11-2012, 01:20 PM   #14
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Shocks. The stockers are nowhere near properly matched to the springs and better ones will improve the ride quality, which is what I get the question to be, not necessarily performance driving.
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Old 02-11-2012, 04:12 PM   #15
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Quote:
Originally Posted by 0BlueSTi4

Is this with otherwise stock suspension? Also does the car ever lift an inner tire during hard cornering?
Yea otherwise stock suspension. And I tracked the car on a super tight course with no tire lift. I was also on stock alignment.
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Old 02-11-2012, 05:25 PM   #16
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Old 02-12-2012, 07:24 PM   #17
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Definitely get a performance alignment. That alone will make immense improvements. The stock alignment is super conservative and your alignment person won't be able to get so much negative camber with stock parts that it wears tires unevenly or makes the car twitchy.

Next, a 20mm rear or 22mm front/rear sway setup and you'll be golden for normal street driving.

But as Power6 said, if I could only keep one of my suspension parts, it would be my RCE/GTWorx Bilsteins.
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Old 02-12-2012, 08:11 PM   #18
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Quote:
Originally Posted by SW21MR2
STi rear sway bar is like $70 new.
19 mm versus wrx's 16 mm right? Think I'll go this route as I've read good things on just replacing the rear.
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Old 02-12-2012, 08:51 PM   #19
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Another supporter of the gtworx RCE/Bilstein combo. It really makes the car handle well. However, if your never going to autox/track the car then it is probably overkill.

25mm front/22mm rear swaybars work well.

But above all the stock tires are not that great. Pick up a set of Dunlop star specs or hankook RS-3's. Then if you really want a improvement get a 17x9 wheel as well.
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Old 02-12-2012, 10:13 PM   #20
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Quote:
Originally Posted by tuskenraider
Shocks. The stockers are nowhere near properly matched to the springs and better ones will improve the ride quality, which is what I get the question to be, not necessarily performance driving.
I live in a city with horrible horrible roads so I do appreciate WRXs softer suspension. Terrible road conditions in my area was one of the reasons I did not get an STI.

What are some good shocks that would match stock springs well? Are Bilstein shocks a good choice?
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Old 02-12-2012, 10:22 PM   #21
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Quote:
Originally Posted by Annihilator817
FWIW, I think the stock supension is perfect for DD. Nice and soft and compliant. No need to start changing things for a street car if will never be pushed even remotely close to its limits.
I actually think that I like the softness of the stock suspension with the exception of the body roll and understeer. I want to spend as little as possible and make the car handle more neutral and with less body roll.
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Old 02-12-2012, 10:25 PM   #22
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Are you lifting the inside rear tire?

What suspension is this on?
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Old 02-12-2012, 10:29 PM   #23
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Quote:
Originally Posted by Divinitus

19 mm versus wrx's 16 mm right? Think I'll go this route as I've read good things on just replacing the rear.
Isn't 2011s rear sway bar 18mm? I seem to remember for 2011 it was 1mm smaller than the STIs front and back - but don't quote me on it.
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Old 02-12-2012, 10:58 PM   #24
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Quote:
Originally Posted by 0BlueSTi4 View Post
I actually think that I like the softness of the stock suspension with the exception of the body roll and understeer. I want to spend as little as possible and make the car handle more neutral and with less body roll.

Is there a reason you want to, or think you need to get rid of the body roll?

Some of the best sports cars ever made practically drag their mirrors on the pavement when they take a hard corner.

Again, I guess I just don't understand the point of this if it is a street car as you will not be able to utilize the benefits of the modifications on the street.
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Old 02-12-2012, 11:03 PM   #25
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Quote:
Originally Posted by 0BlueSTi4 View Post
Are you lifting the inside rear tire?

What suspension is this on?

I'm guessing he's on Koni's all around and a very large front swaybar, and it looks like 275/40/17 Kimho V710's.

Its a stock autocross car, so that is the formula.

With lots of grip you are more likely to pick up a rear tire....but you are driving recklessly if you do this on the street.


FWIW, the 11+ WRX will lift the inside rear about that much on the crappy OE tires and 100% stock suspension.
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