Reviewed By Joseph G (Fairbanks, AK) Reviewed for a 2009 Cadillac CTS —7/31/2015 9:10 PM
You can feel the power instantly !
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.