MKHN0270

Holden Commodore VT - VZ V8 Wagon 2.5in Dual With Extractors Hotdog/Muffler

MPI Automotive Holden Commodore VT - VZ V8 Wagon 2.5in Dual With Extractors Hotdog/Muffler.

BrandMantaMPI Automotive

Category: Extractors and headers

RRP $4055.43 AUD
In stock at supplier
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Holden Commodore VT - VZ V8 Wagon 2.5in Dual With Extractors Hotdog/Muffler product image

Part specs

SKU
MKHN0270
Supplier
MPI Automotive
Category
Extractors and headers
Vehicle fitment
Holden
Stock status
In stock at supplier

The MPI Automotive MKHN0270 is a 2.5in dual extractor-back exhaust listed to fit the Holden Commodore VT to VZ V8 wagon. It runs tuned extractors into a twin 2.5in system with a hotdog resonator and a muffler, covering the full path from the heads back on the long-body wagon.

What does this MKHN0270 system cover?

This is a dual-pipe extractor-back package: tubular extractors at the heads feed two 2.5in lines rearward, with a hotdog resonator and a muffler handling the silencing. On the VT-to-VZ Commodore V8 wagon that's the whole exhaust path from the engine back, sized for the longer wagon body. The twin 2.5in layout splits flow across two pipes rather than running a single larger bore.

What's a hotdog-and-muffler dual setup and what does it change?

Extractors swap the cast manifolds for tubular runners to ease back-pressure off the heads. Downstream, a 'hotdog' is a compact straight-through resonator that takes the harsh edge off the note, while the main muffler does the heavier silencing. Running two silencing stages on a dual system is the tidier, more resolved end of the range — it keeps a V8 wagon civil rather than droning, at the cost of a little more pipework and weight than a single-pipe job.

Will it suit my VT–VZ Commodore wagon?

It's listed to fit the Holden Commodore VT to VZ V8 in wagon body. Body style matters here — a sedan or ute uses different rear pipework — so the wagon fitment is part of the listing. Treat it as listed to fit, not guaranteed, and confirm your exact series and build with the workshop before ordering.

What does fitting involve at our Illawarra workshop?

Oak Flats Muffler Men fits dual extractor systems like this in-house across the Illawarra. The wagon's longer floor and twin-pipe routing need careful alignment over the rear axle, so we confirm the VT–VZ wagon fitment and check clearances before booking the install.

Stocked and fitted by Oak Flats Muffler Men, the Illawarra exhaust and 4x4 specialist in Oak Flats, NSW.

Common questions

Will the MKHN0270 fit my Commodore wagon?
It's listed to fit the Holden Commodore VT to VZ V8 in wagon body. Confirm your series and build with the workshop before ordering.
Is this a single or dual system?
It's a dual 2.5in system with a hotdog resonator and a muffler.
What does the hotdog do?
It's a compact resonator that softens the note ahead of the main muffler — two stages of silencing on this system.

Fitment support across the Illawarra

Fitment checks near you across 18 Illawarra suburbs, from Oak Flats and Shellharbour to Wollongong and Kiama.
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Send the vehicle make, model, year, engine, current issue, desired sound or performance goal, and clear photos of the existing exhaust where available.