Dyno tuned and track tested long tube Tri-Y Headers. 50+HP increase Laser cut 5/16″ header plates. Mandrel bent 1 3/4″ port matched D- ported equal length primary tubes. Primary tubes constructed of aluminized tubing run 50% cooler than stainless steel stock exhaust. 3″ collectors. High temperature Jet Hot coating included. Comes complete with Gaskets, Hardware, and Header Hookups