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wheel offset

Old 02-02-2013, 08:00 PM
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wheel offset

new guy here, 1st subaru. probably a dumb question, but I see that the stock offset of my 2010 wrx is 55mm. I'm ready to put wheels on my car, but whenever I look at tire rack, discount tire etc. it shows me wheels that have 45-48mm offsets and I don't understand why? I don't want to modify anything, so shouldn't the wheels only be within a few mm of stock?
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Old 02-02-2013, 08:13 PM
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Originally Posted by mrt10wrx View Post
new guy here, 1st subaru. probably a dumb question, but I see that the stock offset of my 2010 wrx is 55mm. I'm ready to put wheels on my car, but whenever I look at tire rack, discount tire etc. it shows me wheels that have 45-48mm offsets and I don't understand why? I don't want to modify anything, so shouldn't the wheels only be within a few mm of stock?
Huh? are you saying you want wheels that are same size and offset as stock?
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Old 02-02-2013, 08:26 PM
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yes. staying with the 17"
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Old 02-02-2013, 08:54 PM
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You don't want to modify anything. But you want different wheels?

55mm is a pretty high offset. Not a lot of cars have high offset wheels nor do a lot of consumers want high offset wheels. So the manufacturers make lower offset wheels.

48mm is within a few mm of 55mm. A lot of people run +48 without problems. A lot of people run +35 without problems. It's all up to you and what you want.

It looks like you have a '10 which is a narrow body so you don't have endless amounts of space like the widebody WRXs have. You just have to do a little bit of research to see what fits and what you like.
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Old 02-02-2013, 08:58 PM
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Originally Posted by JourdanWithaU View Post
You don't want to modify anything. But you want different wheels?

55mm is a pretty high offset. Not a lot of cars have high offset wheels nor do a lot of consumers want high offset wheels. So the manufacturers make lower offset wheels.

48mm is within a few mm of 55mm. A lot of people run +48 without problems. A lot of people run +35 without problems. It's all up to you and what you want.

It looks like you have a '10 which is a narrow body so you don't have endless amounts of space like the widebody WRXs have. You just have to do a little bit of research to see what fits and what you like.
+1 The official '08-10 wrx thread - NASIOC cheers
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Old 02-02-2013, 09:05 PM
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I guess I'm just confused with the whole offset thing, even though I've researched it. I'm just not looking to lower the car, or have to mess with the fenders etc.
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Old 02-02-2013, 09:14 PM
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Originally Posted by mrt10wrx View Post
I guess I'm just confused with the whole offset thing, even though I've researched it. I'm just not looking to lower the car, or have to mess with the fenders etc.
did you not read jourdans post?
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Old 02-02-2013, 09:34 PM
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yep
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Old 02-02-2013, 10:13 PM
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Subaru's used high offset wheels, and as such their suspension geometry is designed for use with higher offsets. You want to run as high of an offset that you can while still having enough clearance for your struts. Generally speaking, you never want to go below a +42-45 offset. +48 is the most common offset for aftermarket Subarus wheels and work fine.
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Old 02-03-2013, 12:16 AM
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Originally Posted by Brfatal
Subaru's used high offset wheels, and as such their suspension geometry is designed for use with higher offsets. You want to run as high of an offset that you can while still having enough clearance for your struts. Generally speaking, you never want to go below a +42-45 offset. +48 is the most common offset for aftermarket Subarus wheels and work fine.
Brfatal, nobody gives a damn...
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Old 02-03-2013, 03:44 AM
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Originally Posted by wrbdanny View Post
Brfatal, nobody gives a damn...
Actually, his **** is pretty insightful.




Sometimes.




This is one of those times though.
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Old 02-03-2013, 05:45 AM
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I have a 2008 WRX and can be a bit of a wheel *****. I have had as low as a 30 offset and as high as the stock 53 offset. Never had a problem where I had to modify my suspension. The 30 offset did require me to do a small rear fender roll because they were 17x9.5. You'll be fine with a 45-48mm offset
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Old 02-03-2013, 09:12 AM
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Originally Posted by wrbdanny View Post
Brfatal, nobody gives a damn...
....about? I'm sorry for answering his question? Perhaps you'd tell him to just get 18x11.5 -10s because it would make his car so JDM?
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Old 02-04-2013, 12:08 AM
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Originally Posted by Brfatal View Post
....about? I'm sorry for answering his question? Perhaps you'd tell him to just get 18x11.5 -10s because it would make his car so JDM?
with negative camber and stretched tires
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Old 02-05-2013, 09:11 AM
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The wheels are 40mm, so if wrx mike went as low as 30 without issues then it should be fine, thanks
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