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MPI AutomotiveRRP$4096.33Nissan Navara D40 2.5L Auto Spain With Cat R MUFF.
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Nissan Patrol ZD30 GU 3.0 CR Wagon Without Cat CEN WOM (SKU: SSMKNI0051) Engineered. Quality guaranteed.
Category: Complete exhaust systems


The MPI Automotive SSMKNI0051 is an exhaust system listed to fit the Nissan Patrol GU 3.0 ZD30 CR wagon, supplied without the catalytic converter and with the centre muffler deleted. At an indicative RRP of $1,800.36, this cat-delete build is an off-road-only part.
It's matched to the ZD30 common-rail (CR) version of the 3.0 GU wagon — the later GU engine, not the earlier DI — so the engine identity is the first thing we confirm against your vehicle. It's listed to fit the Nissan Patrol GU 3.0 ZD30 CR wagon; send us the build and we'll check it before ordering. MPI Automotive publishes no system type, diameter or material, so we don't quote those.
This build omits both the converter and the centre muffler. Losing the centre muffler subtracts a silencing stage, which generally leaves a more open note; it's a packaging and sound choice with no figure we can publish. The converter's absence is the separate, emissions-side change that decides the registration question below.
No. Stripping the catalytic converter puts the SSMKNI0051 outside ADR 79/04 compliance for road registration in NSW, so it's supplied for off-road use only. Registration depends on that converter being present, which is why a cat-delete wagon system like this is an off-road item.
Oak Flats Muffler Men special-orders the SSMKNI0051 through MPI Automotive and fits it in our bays. We settle the ZD30 CR wagon fitment and the current price before ordering, raise the wagon on the hoist to verify clearances, and reserve cat-delete fitments for off-road vehicles.
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.