
Redback Performance Headers and 2.5" Exhaust System for Holden Commodore
Redback ExhaustsRRP$2613.75Redback Performance Headers and 2.5" Exhaust System.
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Redback Headers.
Category: Extractors and headers


The Redback RBH003 is a set of headers listed to fit the Holden Commodore and Calais from 01/1986 to 01/1988. It replaces the cast factory exhaust manifolds on these mid-80s Holdens, at a Redback RRP of $875.
Headers, also called extractors, swap the engine's cast exhaust manifolds for tubular primaries that gather into a collector. They bolt to the cylinder heads, so they're the first stage of the exhaust the gas reaches. Fitting them is about giving each cylinder a cleaner exit than the restrictive cast original allows. The RBH003 covers the headers themselves; the supplier doesn't publish pipe diameter, material or engine in this listing, so those details are confirmed on the part rather than guessed from the title.
This set is listed to fit the Holden Commodore and Calais built between January 1986 and January 1988 — the mid-80s VL-era window for these models. Because the listing doesn't name the engine, the important check is confirming which engine your car runs, since header fitment follows the head and port pattern. Treat it as 'listed to fit' and confirm your exact build with the workshop before ordering.
Oak Flats Muffler Men supplies and fits headers like the RBH003 in-house across the Illawarra. On a mid-80s Commodore that means checking head and gasket faces, manifold studs and clearance before the swap, then making sure the collectors tie cleanly into the existing system behind them.
The RBH003 lists at a Redback RRP of $875. Headers for older Holdens aren't always shelf stock, so it may come in as a special order — we'll confirm current availability and lead time when you book the bay.
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.