This system is constructed of 1-3/4 IN - 3 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. Factory style laser cut machined stainless steel flanges are used used for a secure leak-free seal. This coating combination reduces the outside surface temperature of headers and reduces engine compartment temperatures by as much as 46% vs. non-coated headers. Utilizing factory style flanges this system is designed to fit in the stock locations with no cutting or modifications required for a hassle-free installation. Utilizing state-of-the-art computer-aided design technology, this false is designed for custom, high tolerance factory fitment. 100% MIG-Welded for race-proven strength and durability.