Boonville, IN. - Dynatech is proud to announce the release of our new SuperMAXX header exhaust system for the 2012-2013 Dodge Charger, Charger, Challenger & 300C (5.7L) Hemi Engine. These long tube stainless steel headers are CNC bent and feature 3/8” thick, laser cut flanges for a precise fit. O.E. style triple layer stainless steel header gaskets come standard. Unique 4-bolt collector flanges feature a sintered metal donut gasket providing a leak free seal for years of trouble free performance.