
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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Landcruiser GDJ79 Ute, 2.8L TD, 2023-Current, 3in Dual Turbo Back With Cat & Without Muffler.
Category: Mufflers and resonators


Cat in, muffler out — the MPI Automotive MKTY0409 is a 3in dual turbo-back for the Toyota LandCruiser GDJ79 Ute 2.8L (2023 on) that retains the catalytic converter while deleting the muffler for a freer-flowing rear section.
It's a deliberate split: the MKTY0409 holds the factory catalytic converter — the emissions part that matters for diesel-ute compliance — while running no muffler so the back half flows straight through. You get an open, firmer note without deleting the cat, which suits an owner who wants more from the exhaust but doesn't want to remove the part compliance hinges on. Confirm current requirements with the workshop.
Behind the retained cat there's no muffler or resonator, so 3in dual pipe runs to the tailpipes uninterrupted. That makes it the more vocal of the with-cat GDJ79 builds, with a harder edge than a hotdog-equipped system, while the catalytic converter stays in place. It's the choice for an owner chasing the open note without losing the emissions hardware the ute came with.
It's listed to fit the LandCruiser GDJ79 Ute 2.8L turbo-diesel from 2023. Confirm your exact build with the workshop, since feed data can lag running changes. The MKTY0409 lists at $3,539.42 and is a special-order turbo-back.
Oak Flats Muffler Men fits these dual systems on-site. We check the cat flange, hanger isolation — important with no muffler in the run — and the dual-exit clearance over the rear axle before sign-off, then hand the ute back ready to go.
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.