2007-2014 5.4L and 5.8L Cobra wide oval port header exhaust flanges. These flanges come as a pair and are designed for 1-7/8" 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.. Stainless Works, HF54S, Flange, 2007-2014, 5.4L, 5.8L, Header Flange, Cobra 5.4L 5.8L, Wide Oval Port, CNC Laser Cut, 1-7/8" Primary, 3/8" Thick, 304 Stainless Steel, Heavy Duty, Mill Finish, Lifetime Warranty.. 2007-14 5.4L and 5.8L Cobra wide oval port header exhaust flanges. These flanges come as a pair and are designed for 1-7/8" primaries, laser-cut from heavy-duty 3/8" thick 304 stainless steel.. Stainless Works 07-14 Ford Cobra 5.4L/5.8L Wide Oval Port 304SS Exhaust Flanges 1-7/8in Primaries. Stainless Works, 07-14 5.4L,5.8L. Cobra wide oval port, 1-7/8" primary HDR. FLG.. Stainless Works Header Flange Ford 1-7/8" Wide Oval Port. 2007 thru 2014 5.4L and 5.8L Cobra Engine. Stainless Works, Pair of Header Flanges. HF54S . Exhaust Flange. Header Flange. sswhf54s. HF54S . Flange

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