an opinion from a conservative ..... with a tad of sarcasm added:
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If you really feel the need for 20" wheels .... for the looks - go for it ......... but I don't feel a 20" 45 series tire is the way to go .....
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the 18"s - on the 00 and 01 - are enough .... maybe too big ......
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(lift one just one time - that will convince you)
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the 18"s and 16"s probably will deliver better performance than a 20" .....
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save your money ...... as my dad would say ...... he was right ...