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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.
Category: Complete exhaust systems


Listed at $1237.48, the MPI Automotive MKNI0051 is a without-cat exhaust for the Nissan Patrol GU wagon with the 3.0 ZD30 common-rail engine. It runs a centre section and is set up without a rear muffler.
This is a full system for the ZD30 common-rail Patrol GU wagon that deletes the catalytic converter, carries a centre section, and leaves out the rear muffler. That combination keeps the under-body run while opening up the tail end, so the note sits fuller than standard rather than at any set volume. MPI Automotive doesn't publish the bore or the material for this listing, so neither is quoted here — those are confirmed against the wagon when it's on the hoist.
Dropping the converter and the rear muffler together strips two of the main restriction and silencing points from the line, which is why owners chasing a clearer, fuller note off the road look at a build like this. It changes flow and sound, not the tune, and how it suits a particular wagon depends on how that Patrol is driven and where. The centre section it keeps still ties the run together under the floor.
Because the MKNI0051 deletes the catalytic converter, it is not ADR 79/04 compliant for road registration in NSW and is for off-road use only. There's no softening that — a cat-delete line is an off-road part. If you need a registrable setup for the GU wagon, talk to the workshop about a with-cat option instead before ordering.
Oak Flats Muffler Men supplies and fits the MKNI0051 across the Illawarra. We confirm the ZD30 GU wagon fitment, check the centre run and the rear hanger points on the hoist, then order the spec in through MPI Automotive once your exact build is locked in.
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.