
HFD-VDJ79 V8 4.5L TD, (DPF) Ute 2016 To Current, 4in Dual With Cat
MPI AutomotiveRRP$6245.89HFD-VDJ79 V8 4.5L TD, (DPF) Ute 2016 To Current, 4in Dual With Cat & Without Muffler (SKU: SSMKTY0336) Engineered.
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Toyota GDJ251R Prado, 2.8L TD 2024 on, 3in hotdog for selected vehicle applications.
Category: Mufflers and resonators


The MPI Automotive SSMBM840PHD is a 3in hotdog resonator for the Toyota GDJ251R Prado 2.8L turbo-diesel (2024-on). The hotdog is the point of difference: a compact straight-through resonator that trims cruise drone while keeping flow up, rather than a chambered muffler aimed at lowering volume.
A hotdog is a slim straight-through resonator — a perforated core wrapped in packing inside a compact cylindrical body. Unlike a chambered muffler that reflects and absorbs to drop overall volume, the hotdog is a tuning device: it targets the booming resonant frequencies that cause cabin drone at cruise, while letting exhaust pass through largely unrestricted. On a 2.8L turbo-diesel Prado that means the worst of the highway drone is pulled out without choking the system. It's the more open, flow-focused of the resonator choices for the GDJ251R.
Built in 3in, this resonator is sized for the 2.8L turbo-diesel's flow through the system. It's listed to fit the Toyota GDJ251R Prado from 2024 onward — the current-generation wagon — so it's a recent application. Because it's a single resonator section rather than a full system, it pairs with whatever front and rear pipework the Prado runs. Confirm your exact build and where the hotdog sits in your system with the workshop, as a new model can carry running changes that affect the mounting.
This is a resonator section only — it doesn't include or delete the catalytic converter or DPF, so the cat-delete off-road rules don't apply to this part. The finished note depends on the whole system; confirm the in-service result and any state requirements with the workshop before fitting.
Oak Flats Muffler Men fits Prado resonators in-house across the Illawarra, checking the hotdog clears the floor and chassis and mates to your existing pipework. The SSMBM840PHD carries a published RRP of $493.46; send your build and we'll confirm fitment and 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.