this is from experience with friends cars close by... my friends got a 92 turbo MR-2 another friend with an FC3S rx-7 another with an s13 another with an s14 and one with an intgra, and i swear to you within a year to a year and a half at least ONE of the struts blew... all these cars only got to see that track a couple times so hard driving would be ruled out for reasons why they blow, my friend with the mr-2, the tab thats welded on that the endlinks bolt up to, 2 of them broke off AT THE WELDS!!! i was going to go with teins cause they do feel great but after witnessing all these problems on sets that were only a year to 1.5 years old, i'd send my money elsewhere... just my two cents