Reviewed By FRANK F (CAMARILLO, CA) Reviewed for a 2015 Cadillac CTS —6/1/2017 7:37 PM
Very easy install everything fit perfect car has noticeable more torque and top end. Since I just installed it not sure on gas millage improvement.
Reviewed By Douglas A (Clinton, OK) Reviewed for a 2012 Cadillac CTS —5/9/2014 5:21 AM
Installation couldn't be easier. 4 bolts out, 4 bolts in. I reused the stock bolts as they were the same length as the ones which came with the spacer. I have gotten a .2 mpg increase with the spacer installed and have noticed a slightly quicker throttle response.