Stainless Works Chevy Big Block - Dragster Headers 2-3/8in - 2-1/2in Stepped Downswept Short Headers - DNBBC238S2504 fits_2014-`Lexus`IS350 C20 Suburban 1986-1973

C20 Suburban 1986-1973

MagnaFlow 25210 includes (1) Crush Ring Gasket and interchanges with OE parts 5G1Z-5E212-BA

Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49702

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Stainless Works Chevy Big Block - Dragster Headers 2-3/8in - 2-1/2in Stepped Downswept Short Headers - DNBBC238S2504 fits_2014-`Lexus`IS350 C20 Suburban 1986-1973Chevy Down swept dragster header for Big Block with conventional heads. All tubes are CNC mandrel bent for optimal flow. Made from 304 stainless steel for maximum corrosion resistance. Starting with a CNC cut 3 8" thick flanges into 2 3 8" primaries stepped to 2 1 2'' with 5'' merge style slip on collectors. These header primary tubes are 4 inches shorter at the collector end than the patterns. Headers are fully TIG welded and back purged. Mill