Stainless Works 2016-19 Cadillac CTS-V Headers 2in Primaries 3in Catted Leads Performance ConnectionImprove the sound and performance on your CTS V with premium headers from Stainless Works. American Made and designed for the 2016 19 Cadillac CTS V 6. 2L, these headers feature 2" primary tubes that are CNC mandrel bent to increase air flow, and engineered to create power. These headers come with 3" slip fit collectors, as well as high flow catalytic converters that flow into 3" lead pipes, merging into a flanged leads to allow an easy connection to