OEM shocks typically have a life span of 50-70k miles depending on how you drive. Seeing how your car is over 100k miles it may be a good idea to do an entire suspension over haul. One of the more popular setups have been the H&R Touring Cup kits are not merely a 'matched' spring and shock package, but rather a specially engineered 'solution' with springs and shocks being engineered individually in every application. This takes the guess work out of your spring and shock selection, and provides you with an application specific, precisely calibrated spring and shock set designed to deliver improved handling, uncompromised ride comfort and sleek styling in one precision engineered package. I'll shoot you over a PM with more details!