These all new exhaust flange collars are manufactured from thick steel for strength and durability. Each stamped flange features the correct center opening to fit over your head pipe as well as the holes for mounting at the exhaust manifold. Collars are sold per pair for small-block or big-block applications.
Authentic reproduction of the original GM product.
Find in OPGI's 2018 Monte Carlo Catalog page 196.
This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.