kpboa Posted October 19, 2005 Share Posted October 19, 2005 I own a 2003 is 300 and what to put 20" rims on it but every where says that they can not fit. what are the biggest rims that can fit on my car without messing up the suspension. Also what conversions would have to be taken for 20" rims if they cannot fit normally up there Quote Link to comment Share on other sites More sharing options...
LexTacoma Posted December 20, 2005 Share Posted December 20, 2005 Follow this link and it will tell you how big you can go without modification to your vehicle. It has a ver different versions of the IS 300 in there, so maybe do a new search and put in exactly what you have. http://www.discounttiredirect.com/direct/a...2003&vid=008062 Quote Link to comment Share on other sites More sharing options...
ZINFANDEL22 Posted December 20, 2005 Share Posted December 20, 2005 I own a 2003 is 300 and what to put 20" rims on it but every where says that they can not fit. what are the biggest rims that can fit on my car without messing up the suspension. Also what conversions would have to be taken for 20" rims if they cannot fit normally up there tirerack.com can answer that also for second opinion. Quote Link to comment Share on other sites More sharing options...
msaxon3 Posted December 22, 2005 Share Posted December 22, 2005 I own a 2003 is 300 and what to put 20" rims on it but every where says that they can not fit. what are the biggest rims that can fit on my car without messing up the suspension. Also what conversions would have to be taken for 20" rims if they cannot fit normally up there I do not have the knowledge to back up any claims, however I plan to go with 18's when I find the rims which suit my car and plans for my car best. Quote Link to comment Share on other sites More sharing options...
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