Flowtech Long Tube Headers - 1967-69 Camaro/1968-74 Nova/1965-70 GM Full Size - 396/454 - 1-7/8" - 3.5" Collector - Ceramic Coated WM1405250T1500 GMC K1500 Suburban 1999-1992Vehicle Applications:

GMC K1500 Suburban 1999-1992Vehicle Applications: Cadillac Escalade 2000-1999

Even though manifolds are compatible with EGR systems

1-3/4 in ID Hose

Sierra 2500 Had

Crossmember-Back System

Flowtech Long Tube Headers - 1967-69 Camaro/1968-74 Nova/1965-70 GM Full Size - 396/454 - 1-7/8" - 3.5" Collector - Ceramic Coated WM1405250T1500 GMC K1500 Suburban 1999-1992Vehicle Applications: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