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Fitting tires

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Black09Genesis

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Genesis Model Type
1G Genesis Sedan (2009-2014)
Will 245/40/20 fit my 09 Genesis or does it have to be 245/35/20?
 
Black09Genesis said:
Will 245/40/20 fit my 09 Genesis or does it have to be 245/35/20?
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Yes they'll fit you'll just be gaining a bit more sidewall and on 20 inch rims this may cause slight rubbing depending on your offset
 
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The 40 series tire will fit just fine. One thing to consider:

In general, you want to stay within 3% of your original sidewall diameter when changing tires/wheels for an accurate speedometer. The difference between your 35 vs 40 series is 3.6%.

With the new 40 series tires mounted, this means when your speedometer shows 60mph, your actual speed will be 62.16mph. It's not a big deal unless the slightly inaccurate speedometer/odometer bothers you.
 
princelybug said:
The 40 series tire will fit just fine. One thing to consider:

In general, you want to stay within 3% of your original sidewall diameter when changing tires/wheels for an accurate speedometer. The difference between your 35 vs 40 series is 3.6%.

With the new 40 series tires mounted, this means when your speedometer shows 60mph, your actual speed will be 62.16mph. It's not a big deal unless the slightly inaccurate speedometer/odometer bothers you.
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Naw I don't GAS about that lol. Thanks
 
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Black09Genesis said:
Yup very correct they fit perfect. Thanks. That being said will 255s fit? Or will the front need modifications so it doesn't rub?
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Again depends on front wheel specs
Size width and offset
 
Will they fit yes. Is it necessary? Probably not haha
 
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