
Ford Mustang GT S550 Face Lift Header Kit Special order item
Exhaust Systems AustraliaRRP$1995.00Ford Mustang GT S550 Face Lift Header Kit Special order item.
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Ford V8 Boss 5.4L BA BF Falcon Header Kit Special order item (SKU: ford-v8-boss-5-4l-ba-bf-falcon-header-kit), $1645.00 from Exhaust.
Category: Extractors and headers


This Exhaust Systems Australia header kit (MPN FORD-V8-BOSS-5-4L-BA-BF-FALCON-HEADER-KIT) is listed to fit the Ford Falcon BA/BF with the Boss 5.4-litre V8. It's supplied as a complete header kit rather than a single muffler or pipe swap, and is brought in as a special-order item.
A header kit replaces the cast factory exhaust manifolds on the Boss 5.4-litre V8 with tubular headers, supplied with the pipework and hardware to complete that section rather than the headers alone. The Boss is the quad-cam Ford V8 fitted to the BA and BF Falcon, and headers sit at the very front of the exhaust, feeding everything behind them. Exhaust Systems Australia hasn't published the primary tube size or material, so we confirm those against the actual parts rather than quote figures we don't hold.
Headers — also called extractors — swap the restrictive cast manifolds for tuned tubular runners, one per cylinder, that merge a short way downstream so each cylinder scavenges more freely than a tight factory casting allows. The trade-offs are honest: the note changes, the job is labour-heavy because the manifolds sit deep in a packed engine bay, and because headers are part of the section a NSW inspection examines, road presentation depends on the individual car.
It's listed to fit the Ford Falcon BA/BF on the Boss 5.4-litre V8. Those models ran across more than one update, so confirm your exact build with the workshop before anything is ordered — feed data on kits like this can be imperfect. As a special-order item it's brought in to order, so factor the lead time into your timing.
Headers sit in the part of the system a NSW inspection examines, so road legality comes down to your specific car and how it presents. Exhaust Systems Australia doesn't publish a compliance approval for this listing and we won't invent one. Oak Flats Muffler Men will walk through what fitting headers means for your registration across the Illawarra before anything is cut.
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.