Headers for Ford 5.4/5.8L 4V SAP (same as port) Header Flange Gaskets HG9246 engine-splash-shields This is firstly achieved through

This is firstly achieved through elimination of the most critical restriction in the entire intake system

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Headers for Ford 5.4/5.8L 4V SAP (same as port) Header Flange Gaskets HG9246 engine-splash-shields This is firstly achieved throughOverview: Header Flange Gasket Specs: Brand: Doug's Headers Prop 65 (C, R or CR): CR Prop 65 Yes No: Yes Title: Doug's Headers HG9246 Ford 5. 4 5. 8L 4V SAP (same as port) Header Flange Gaskets Part Number: HG9246 Emissions: This Product is Certified by the Manufacturer as being Non Emissions Related part per CARB and EPA regulations and therefore does not require emissions certification or CARB EO and is legal in all 50 states.