
Mustang FN 5.0L V8 2018-23 3in Full System HPC Extractor Centre Hotdog
MPI AutomotiveRRP$7707.93Mustang FN 5.0L V8 2018-23 3in Full System HPC Extractor Centre Hotdog Bi-modal Muffler 4in Quad Tip.
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FORD V8 5L COYOTE 1 7/8in HEADER FLANGE for selected vehicle applications.
Category: Extractors and headers


The MPI Automotive MHF4001 is a 1⅞in header flange cut for the Ford 5.0L Coyote V8 — the machined plate that locates a header's primary tubes to the cylinder head, sold as a standalone fabrication component for building or repairing extractors.
The flange is the thick, machined plate that bolts to the cylinder head and that each primary tube of a header welds into. It fixes three things at once: the port pattern that lines up with the head, the bolt locations that clamp it down, and the tube bore the primaries weld into — drilled here for 1⅞in. On its own it's a starting point for fabrication, not a finished exhaust part you bolt to a car; the rest of the header gets built up from it.
This flange is cut to the Ford 5.0L Coyote port pattern and to a 1⅞in tube bore. The larger 1⅞in primary suits a high-revving, free-breathing modern V8 like the Coyote, which is why a header built on this flange is sized that way rather than to a smaller tube. The flange simply sets that bore at the head end, so whatever tubes are welded in carry the 1⅞in size through from the port.
It's listed for the Ford 5.0L Coyote V8 with 1⅞in tube and no further detail published, so it's matched on the Coyote port pattern and tube size rather than a vehicle bolt-up. We confirm your head matches the listing before the flange goes into a build, and check it against the tube you intend to run. As a component part it's often a special-order item; RRP is listed at 71.08 AUD, and Oak Flats Muffler Men can source and fabricate around it across the Illawarra.
Stocked and fitted by Oak Flats Muffler Men, the Illawarra exhaust and 4x4 specialist in Oak Flats, NSW.
Oak Flats Muffler Men can check this part against supplier specs, part number, image, RRP and vehicle details for customers around Oak Flats, Shellharbour, Wollongong, Dapto, Albion Park, Kiama and the northern suburbs.
Send the vehicle make, model, year, engine, current issue, desired sound or performance goal, and clear photos of the existing exhaust where available.