2003-04 Cobra 4.6L 32-valve wide oval header exhaust flanges. These flanges come as a pair and are designed for 1-3/4" primaries, laser-cut from heavy-duty 3/8" thick 304 stainless steel for superior resistance to warping from high heat, and comes with a limited lifetime warranty.. 2003-04 Cobra 4.6L 32-valve wide oval header exhaust flanges. These flanges come as a pair and are designed for 1-3/4" primaries, laser-cut from heavy-duty 3/8" thick 304 stainless steel.. Stainless Works, HF4.6, Header Flange, Wide Oval Port, Cobra 4.6L, CNC Laser Cut, 1-3/4" Primary, 3/8" Thick, Heavy Duty, 304 Stainless Steel, Mill Finish, Lifetime Warranty.. Stainless Works 03-04 Ford Cobra 4.6L 32V Wide Oval Header 304SS Exhaust Flanges 1-3/4in Primaries. Stainless Works, 2003-04 Cobra 4.6L wide oval 1-3/4" primary header flanges.. Stainless Works Header Flange Ford 4.6 1-3/4" Port. Stainless Works, Pair of Header Flanges. 2003 thru 2004 Cobra 4.6L 32 Valve. HF4.6 . Exhaust Flange. Header Flange. sswHF4.6. HF4.6 . Flange

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