Ive received this car about 5 days ago and the tires were worn down and the dealership replaced the back two free of charge. the handling was perfect just like everyone described BEFORE he put these tires on, and now the handling is bad, doesn't take turns right and runs over itself when taking a turn hard. making a noise like the weight is all going towards the front tire you turning to. any suggestions? or similar problems? my system light is on that looks like this: (!) and flashes but the previous owner(not the dealership) told me that that was no problem and it flashed all of the time and its cuz he had a mod done too it and then taken off but, so im pretty sure thats irrelevant because it handled like a champ before they messed with the tires today, it was completely noticable.

 

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Reference threhttps://www.rx8club.com/showthread.php?t=223656ad, here

 

Did you have an alignment afterwards? You did not say that on your post.