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45mm or 38mm offset?

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Old Dec 8, 2009 | 01:11 PM
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45mm or 38mm offset?

I'm getting new tires, 215/45R18, and new rims: 18x7.5

It comes in either +38mm or +45mm offset. I tried reading about offset but I have no idea. I have no suspension modifications whatsoever. Which should I get?
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Old Dec 8, 2009 | 02:16 PM
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Either offset should fit without problems, however you should get the +38 offset if you'd like your wheels to be closer to "flush".

By my calculations, the +38 would be approx. 1/4" short of being flush in the front. The +45 would be approx. 1/2" short of being flush.

You may want to have someone else verify this.
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Old Dec 8, 2009 | 02:22 PM
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Stock wheels are 7" wide with +46 offset.

A 7.5" wheel with +45 offset would protrude 1/4" + 1mm more than stock.
A 7.5" wheel with +38 offset would protrude 1/4" + 8mm more than stock.
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Old Dec 8, 2009 | 03:50 PM
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Either will fit. Something to consider is whether you plan to upgrade the brakes at any point in the future.
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Old Dec 11, 2009 | 11:11 AM
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Go with the +38 for a more aggressive look.
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