
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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MPI Automotive Toyota GDJ251R Prado, 2.8L TD 2024 On, 3in Turbo Back Without Muffler With Cat.
Category: Mufflers and resonators


The MPI Automotive SSMKTY0503 is a stainless 3in turbo-back system that keeps the cat and runs no muffler, listed to fit the Toyota Prado GDJ251R 2.8L turbo-diesel from 2024 on. Retaining the catalytic converter is the key difference here — it leaves the emissions hardware in place while still deleting the muffler for an open note.
This is the with-cat turbo-back, so the catalytic converter stays in the system. On a diesel Prado the cat is the emissions component that matters most for compliance, so retaining it leaves the vehicle far closer to its factory configuration than a cat-delete version. With the cat in but the muffler out, you get a more open note than a fully muffled system without removing the converter.
Because the SSMKTY0503 keeps the catalytic converter, it retains the emissions hardware the Prado came with — the part most relevant to road compliance on diesels. That said, removing the muffler and changing the system can have its own state requirements, so confirm the exact build and any compliance considerations with the workshop before fitting.
Turbo-back replaces the exhaust from the turbo outlet rearward — a longer run than a cat-back. Built in 3in with the muffler deleted, this version flows more freely and runs a more open note than a muffled equivalent, while the retained cat keeps the emissions side intact. It's the open-but-cat-retained option for the 2.8L turbo-diesel.
Oak Flats Muffler Men fits stainless turbo-back systems like this in-house across the Illawarra. We confirm the GDJ251R fitment, check clearances and hang the system, and talk through what the no-muffler change means for your vehicle. The SSMKTY0503 is a special-order item with a published RRP of $3,128.39.
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.