Lowing the car even an inch greatly increases the handling characteristics since the center of gravity is lower. This also will increase HWY MPG slightly since less air will now be flowing under the car.Only other reason I can think of is to put all four under your gas pedal, this would definitely increase your fuel economy.
i got them because I enjoy modifying cars and believe lowering it will make my car less of a cookie cutter cruze rental car and give it a uniqueness about it. I also plan on doing other minor mods to make my car a fun, yet still economical daily driver.Spring kit for suspension, two are shorter for the front struts from left to right, left being #1, 1 and 3 for the rear, 2 and 4 for the front.
Now why did you get these? Replace broken ones, raise your Cruze a few millimeters, or lower it a couple?
Only other reason I can think of is to put all four under your gas pedal, this would definitely increase your fuel economy.