Flowtech headers are the perfect combination of performance and value. Flowtech long tube headers are precision engineered using mandrel bent tubing, formed collectors and 5/16 flanges with sealing rings for a leak-free seal. All mounting hardware and gaskets are included for a simple installation. This header is coated in a high heat and corrosion resistant metallic ceramic thermal coating that increases exhaust velocity and reduces underhood temps for increased performance. Features: Tuned-length primary tubes for street performance Mandrel-bent tubing for smooth exhaust flow Light weight & sturdy 16 gauge tubing Mandrel-formed Power Plenum collector for low back pressure Sturdy, leak-tested O-Ring port seals Engineered for a precision fit Designed for easy, trouble-free installation Includes all mounting hardware and premium gaskets Shorty style header, will also work on catalytic converter equipped vehicles. head pipe fabrication required