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Discussion Starter #1 (Edited)
I just got Michelin PS A/S+ tires put on my 18 STI. (15k miles).
The car is pulling slightly toward the passenger side, which demands constant minor adjustments. When I apply more throttle, the car pulls more.

I noticed that the tread pattern on the passenger side is facing a different direction than the tread pattern on the driver's side. HOWEVER, all four tires are marked "outside."

Should I bring this to the attention of the tire shop?? This doesn't seem consistent.

The arrows in both pictures are pointing toward the front of the car:

Driver's side tire:


Passenger's side tire:


The tires have about 1,000 miles on them so far. I'm looking for some quick advice so I don't start to get uneven wear. Is this the source of my problem? Why are they both designated "outside."
 

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The tread is asymmetric across the width with one side designed to be on the outside during cornering, hence the "Outside" marking. These are not a directional tread that requires a certain direction of rotation. The curved grooves will point the opposite direction on the opposite sides of the car. Looks like they are mounted as designed. Good luck sorting this out.
 

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They are not directional tires. The tread pattern will look like this. When was the last time the car had an alignment done?
 

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Discussion Starter #4
An alignment was done a few months ago and the car was driving perfectly straight. The tires are not directional. I think they're just pulling, despite their 'multidirectional' claims. Apparently this may be a common issue. I'm at 300 miles and I think it may be getting better. It's hard to tell.
 

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An alignment was done a few months ago and the car was driving perfectly straight. The tires are not directional. I think they're just pulling, despite their 'multidirectional' claims. Apparently this may be a common issue. I'm at 300 miles and I think it may be getting better. It's hard to tell.
Sorry, that doesn't make much sense to me. I'd suggest you have your alignment looked at again.

When your alignment was done last time, what was checked and adjusted?
 
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