Not sure which 2011 Cadillac CTS Suspension Systems are right for you? We have over 388 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Michael D from Woodland Hills, CA said, "I had the Eibach pro kit installed on my 2011 Cadillac CTS 3.6L sedan. Conservative 1" drop rear and .08" drop front.The Caddy looks great and hugs the road without sacrificing the smooth ride. Great job Eibach!!"