what size tires on 18x9.5
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if your car is going to be lower go with the 275/35/18 but if your staying at stock height go with a 275/40/18, it fills the wheel well nice and is not to low profile but just perfect and the car still rides good over bumps and cracks in the road.
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i got the KDW 275/40/18 on all four corners and yes they do fill up the wheel wells pretty well. i got them cause i wanted the older KDW tread rather than the new one. you will need your speedo calibrated. i still want to lower my car a little but i'll have to research to see whats possible.
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If you go with a 275/40 it will throw off your speedo a little bit. Not much but it will. 275/35/18 is almost the same diameter as a 275/40/17.A 275/35/18 is 25.57" in diameter which is the same as a 275/40/17(stock WS6 tires). A 275/40/18 is over 26" in diameter. go with 275/35 and lower it a little.