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05 3.6 auto,sport package,navigation
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127 Posts
Discussion Starter · #1 ·
For you guys that are running 245/35R20's doesn't this mess with the traction control,abs and most importantly sport mode ????
(3.5% overall larger diameter than stock)
 

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2003 CTS "Ebony Maria" 2005 Cadillac STS "Grace"
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6,439 Posts
it doesnt on mine...i have no problems stopping, the rubber grabs the road like crazy when it is wet, and i only use "sport mode" on the highway when i want to really get somewhere
 

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2003 CTS "Ebony Maria" 2005 Cadillac STS "Grace"
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6,439 Posts
i can notice the difference when i turn it on...but i can't tell the difference from the stock 17s to the 20s in "sport mode"

by any chance, have you lowered your car yet or put any sway bars on it? if not, this will increase your handling as well
 

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03 CTS 3.2L (Sold) / 09 CBR 600rr /2014 GMC Sierra
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7,920 Posts
mine run great...no complaints. gonna put in v sways as soon as i find a cheap set.
 

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2003 CTS "Ebony Maria" 2005 Cadillac STS "Grace"
Joined
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6,439 Posts
you will have absolutely no problems...whether you lower it or not...but if you do plan on lowering it in the future sometime, i would go with a +40 and up offset just for good measure

i have 20x8.5 with a +38 offset and i get no rubbing at all
 

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2003 CTS "Ebony Maria" 2005 Cadillac STS "Grace"
Joined
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6,439 Posts
i havent lowered mine just yet, still debating that...my car has the fe3s though and i have got some fe4s just laying around

if i do lower it, i would go with the eibach kit and the fe4s...but i am not interested in that for now
 
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