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Discussion Starter #1
As most of you 2013 SE coupe owners have already realized the rear suspension is pretty quirky! Especially if you are rounding a corner and hit any kind of bump, the car will travel laterally. To me, this is pretty un-nerving and deters me from taking advantage of the so-called sport-like suspension.

It is pretty doubtful that Hyundai will come out with a modification (free/recall or even as an option that we could purchase) so has anyone done a rear suspension mod on their own?

Actually with a torsion beam I am not even sure anything can be done without spending major $$. Although I would love to hear your opinions or/and experiences....
 

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Discussion Starter #4
I would think it is more than just the springs ... but I am no suspension engineer.

Hasn't anyone else who owns a coupe SE looked into an adjustment or mod for the rear?
 

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The GS as well. A certain Circle (RT70 and 72) makes my coupe feel like its loosing grip in the rear. And its going to kick out.

There should be Enhancements soon. The Coupe is a little new.
 

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Discussion Starter #6
I really hope the enhancement comes out soon as it really spoils any confidence I have in the cars handling! I took a corner the other day at 45 (not even a sharp corner) and hit two bumps in a row... the car felt like it was going to fishtail... that sucked!!!

BTW ..what is RT70 and 72 ???
 

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its a good thing for a front wheel drive to oversteer. about the bump issue its just due to the stronger spring than the regular 4door one.
 

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Discussion Starter #8
That does make sense, I would just hate to install new rear springs and find it did nothing to help the lateral movement over bumps. So far I cannot find anyone who has tried this .... any comment from Hyundai .... or any suspension specialist that can address this...argh!!!
 

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Your troubles can be over with, with less than a $150 fix...admittedly the rear shocks on our cars are...junk. From another forum I am a member of, we are and I have already done so, replacing the rear shock absorbers with KYB #554384 Gas-A-Just shock absorbers. They totally smooth out the Elantra's skipping and rough/unsure feel on rough roads and highway/freeway bumps that plague our Elantras right from the get go. These shocks make a WORLD of difference in the way the Elantra not only drives, but takes bumps and ruts and highway expansion joints and all that! It will feel like a different car ALL together, especially at highway speeds. I bought mine from Rock Auto for $62.50 a piece, and WOW! You will love these people...don't even mess around, get the KYB's!:):)
 

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Discussion Starter #11
Awesome news!!!! So you only replaced the rear? What about the front?

Also as they are adjustable, what did you set them at?
 

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Discussion Starter #12
I have a 2013 Elantra SE and the problem is KYB doesn't have a fitment for the 2012 or the 2013. I did check with my Hyundai parts guy and he says the OEM rear shocks are the same part number for the 2011, 2012 and 2013 ...so why would they not fit?

I may order them and if they don't fit I can return them.... just not sure why the say the KYBs won't fit if the OEM part numbers are the same :/
 

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Discussion Starter #13
ok... according to Hyundai the 5th gen Elantras (2010-2013) all have the same part number for the rear shocks (55300 or 553003x200) so there should be no reason the KYB 554384 would not fit my 2013 SE. Anyway I ordered them through Summit Racing as they offer a non-restocking fee return policy and price match ... so with shipping, I got them both for $121.

I will update as soon as I get them installed....
 

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Awesome news!!!! So you only replaced the rear? What about the front?

Also as they are adjustable, what did you set them at?
The fronts are actual struts...and the front end does not cause the car to do the funny things it does pertaining to bumps,ruts joints and all that. Also, the part number I listed for the KYB's will fit all 3 year models. (2011-2013) And no, they are not adjustable...it's an automatic adjusting shock.
 

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Discussion Starter #17
Just installed the KYB's ... wow, what a difference! No more roughness over bumps, no more "side-stepping" when hitting a bump ... feels like a different car. That was the best investment!

I got them from summitracing.com ... they have them in stock and will beat any price with shipping, so I paid $130 delivered.

Now I am just waiting for them to come out with a strut tower brace!
 

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Discussion Starter #19
Yup .... OEM Macphersons in the front, KYBs for the rear.... now just need a tower brace although there is a large plastic molding that covers the whole top of the firewall and shock towers so I am not sure how you would be able to attach a brace without removing that molding. This molding covers the space between the front windshield and below the hood so it's not like you can just take it off.
 
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