Cadillac CTS V CATBACKAmerican Racing Headers Catbacks for the 2016 2019 CTS V feature 3" stainless steel mandrel bent tubing, our signature Pure Thunder Series mufflers, and dual split rear exit with 4" polished S S quad tips. The American Racing Headers catback system offers a deep tone and is designed to handle tremendous power. Product features on this system includes: 100% Made in the USA Never Outsourced Made entirely of 304 stainless steel 3 8" thick laser cut