can 20" rims on a A6? what is the biggest size?

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Life is short so Play Hard
Stick Hard and the only time you love'em is when ya Dick Hard.

20's fit, a couple guys have them here. I just recommend for performance sake that you find the lightest weight ones you can, and I hope you live in an area with great roads! Also double check backspacing. 35mm is recommended.

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Light a fire for a man and he will be warm for a night, light a man ON fire and he will be warm for the rest of his life!

The number one rule of tinkering is keeping all the parts!

ill stick with the 19's that I have then?

__________________
Life is short so Play Hard
Stick Hard and the only time you love'em is when ya Dick Hard.

I got these in 20's
http://superbuytires.com/Ace%20Alloy/Allure%20S/

http://customwheel.com/custom_wheels...b401ab1ba18bcc

You can also do a search on this topic as it has been discussed many times. You'll find a lot of info probably since it has been covered recently.

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I am too old for this s#!t
2003 A6 2.7T Silver w/gray leather interior

Covered many times! It ends up to be to each their own. I have 19's and have to watch the roads for potholes. You are seriously gambling with 20's

OOOO

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Spec Stage II Clutch and Aluminum Flywheel, APR Software, APR Snub Mount, APR Downpipes and Test Pipes with Milltek Cat Back, Hyperboost Diverter Valves, K&N Drop In (Temp).