The orange STR.T (pronounced "street") is KONI's entry level shock, but better than most companies' top-of-the-line. Available for select sports cars, the KONI STR.T provides the best blend of performance and comfort for your Mazda Mazdaspeed3. The STR.T 1125 1039 is for drivers who do not need manual adjustments and who want a performance upgrade without a stiff sports feel. Designed to work with stock height or lowered cars. Lifetime Warranty.