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Go Back   IWSTI.com: Subaru WRX STI Forums > GD Series STi Discussion (2003/4-2007) > GD-Technical > GD-Tires & Wheels


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Old 11-12-2007, 01:48 PM   #1
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Default Question: 18x9 SVN +30 offset 245/40/18 on 2005 STi

Hey guys,

just a quick question and I think I already got my answer during the search, but I still want to make sure if this setup will be ok to run on my car

I have a 2005 STi
I am planning to run 18x9 Rota SVN +30 offset with some 245/40/18 RE01R on it.

I do have coilover and I have 1.8 camber at the rear wheels. (I am on stock rims now)

Will I be ok if I run this setup if I just raise the rear a little bit higher? or do I still have to pull or roll my fender? thank you very much

(ps. will I feel some power loss due to the extra size and weight from the new rims?)


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Old 11-12-2007, 01:56 PM   #2
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Default Re: Question: 18x9 SVN +30 offset 245/40/18 on 2005 STi

i think you should run a wider tire more like a 255/35/18
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Old 11-12-2007, 01:58 PM   #3
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Default Re: Question: 18x9 SVN +30 offset 245/40/18 on 2005 STi

Do you know for certain that those wheels clear brembos?

What exact coilovers are you running?

Wider tires may not be better as far as clearance is concerned.

IBt3h_clap
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Old 11-12-2007, 02:06 PM   #4
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Default Re: Question: 18x9 SVN +30 offset 245/40/18 on 2005 STi

I will test fit the rim and see if they clear brembo or not, but I think they will clear.

I have stance coilover (GR+)

i know wider is not = better so I decided to run 245 or 9" but not 255

I am just not sure if I adjust the rear height is enough or do I still have to pull the fender ...

may be I should actually try them out and report back? lol
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Old 11-12-2007, 02:09 PM   #5
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Default Re: Question: 18x9 SVN +30 offset 245/40/18 on 2005 STi

and btw, thanks for the quick reply guys
That's awesome!
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Old 11-12-2007, 02:40 PM   #6
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Default Re: Question: 18x9 SVN +30 offset 245/40/18 on 2005 STi

I think +30 is way too low of an offset. You'll probably be poking the tires out by a good half inch or so.. Th3_ will chime-in, I'm sure. He won't steer you wrong.
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Old 11-12-2007, 02:54 PM   #7
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Default Re: Question: 18x9 SVN +30 offset 245/40/18 on 2005 STi

I am actually waiting for his advise, hehe

But of cuz Thanks for your help too!
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Old 11-12-2007, 04:15 PM   #8
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Default Re: Question: 18x9 SVN +30 offset 245/40/18 on 2005 STi

Post pics when done I love those wheels....
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Old 11-12-2007, 07:08 PM   #9
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Default Re: Question: 18x9 SVN +30 offset 245/40/18 on 2005 STi

there's no way in hell you'll get those on without rolling/pulling the fenders you gotta go big to run somethin that hardcore . and prob run like -3 camber
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Old 11-12-2007, 08:08 PM   #10
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Default Re: Question: 18x9 SVN +30 offset 245/40/18 on 2005 STi

yeah where t3h_clap when you need him lol

my guess is that the wheels are going to poke out from the fenders and rear fenders will likely to be rolled to clear
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Old 11-13-2007, 05:28 AM   #11
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Default Re: Question: 18x9 SVN +30 offset 245/40/18 on 2005 STi

the title is about a rota wheel, I was told by a Rota owner not to help Rota people, b/c I'm no help. j/k

Ignoring the wheel and focusing on the size/offset.

an 18x9 +30mm is not ideal fitment by any means.

considering a +45mm is ideal and +40mm is pushing it.

Are you willing to modify your fenders? (ALOT).

to get a +30mm on you'll need to run alot of camber in the rear upwards of -3.0 degrees, and that's assuming your fenders are already rolled flush.

what ride heights are you running?

Sure you can make it fit, but it wont be right and you could be running a much wider wheel/tire package with similar rubbing issues if you just went with a proper offset.

the +30mm is the evo offset.

Are you simply looking for an inexpensive 18x9? or are you looking for an inexpensive 18x9 that looks like the RE30?
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Old 11-13-2007, 07:57 AM   #12
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Default Re: Question: 18x9 SVN +30 offset 245/40/18 on 2005 STi

just saw what they look like. the extra half inch isn't worth it, they look exactly like the 18x8.5's made for our cars. get some spacers if you really want to push them out from there.
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Old 11-13-2007, 01:26 PM   #13
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Default Re: Question: 18x9 SVN +30 offset 245/40/18 on 2005 STi

thank you very much guys
Guess I will change my mind to avoid too much trouble, since I've heard 05 sti is a b!t<h to roll the fender :P...

Thanks!
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Old 11-13-2007, 01:35 PM   #14
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Default Re: Question: 18x9 SVN +30 offset 245/40/18 on 2005 STi

Quote:
Originally Posted by T3h_Clap View Post
the title is about a rota wheel, I was told by a Rota owner not to help Rota people, b/c I'm no help. j/k

Ignoring the wheel and focusing on the size/offset.

an 18x9 +30mm is not ideal fitment by any means.

considering a +45mm is ideal and +40mm is pushing it.

Are you willing to modify your fenders? (ALOT).

to get a +30mm on you'll need to run alot of camber in the rear upwards of -3.0 degrees, and that's assuming your fenders are already rolled flush.

what ride heights are you running?

Sure you can make it fit, but it wont be right and you could be running a much wider wheel/tire package with similar rubbing issues if you just went with a proper offset.

the +30mm is the evo offset.

Are you simply looking for an inexpensive 18x9? or are you looking for an inexpensive 18x9 that looks like the RE30?
I know the +30mm offset is design for Evo, but too bad that 18x9 in STi offset didn't exist ...

I am actually trying to look for a set 18x9 or 17x9 with reasonable price and I want them in Gold ... The RE30 look + Tommy gold is actually quite good.

And I think running 245 on a 9" can stretch the tire more than 8.5"

I am currently on Coilover so i can adjust the height to avoid some rubbing

let me know what I can do in this case Thanks!

Last edited by treefolk; 11-13-2007 at 01:55 PM.
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Old 11-13-2007, 01:41 PM   #15
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Default Re: Question: 18x9 SVN +30 offset 245/40/18 on 2005 STi

there are plenty of wheels that come in good STi offsets.

Depends on your definition of reasonable.

I've got a massive thread on here about 9" wheels, which are available and what clear brembos.

what do you mean "in this case?"

what budget are you shooting for?


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