Honda Civic 4-1 Design Stainless Steel Exhaust Header Kit (Silver Ceramic Coated) - 7 Gen EM ES D17A1 Engine Reviewhttp://tinyurl.com/pcv6nol Honda Civic 4-1 Design Stainless Steel Exhaust Header Kit (Silver Ceramic Coated) - 7 Gen EM ES D17A1 Engine Made of high quality steel covered with metallic ceramic coating.with 4-1 direct bolt-on designTIG welded CNC machine flangeO2 sensor and EGR bung insertion / Metal gasket included / Inlet: 1.5" / Outlet: 2"Increase high flow air, instantly gain 10 to 15 Hp. / TqApplication: Please check part finder on top of the page (Professional Installer is Highly Recommended) (No Instruction Included)
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