MKHN0039

Holden Commodore VN VP VR Sedan V6 3.8L CatBack WOM/Muffler

Holden Commodore VN VP VR Sedan V6 3.8L CatBack WOM/Muffler.

BrandMantaMPI Automotive

Category: Mufflers and resonators

RRP $552.40 AUD
In stock at supplier
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Holden Commodore VN VP VR Sedan V6 3.8L CatBack WOM/Muffler product image

Part specs

SKU
MKHN0039
Supplier
MPI Automotive
Category
Mufflers and resonators
Vehicle fitment
Holden
Stock status
In stock at supplier

The MPI Automotive MKHN0039 is a without-muffler cat-back for the 3.8L V6 Holden Commodore VN, VP and VR sedan. Running no rear box, it carries a louder, harder note than a muffled system and suits builds that have their own silencing plan.

What does 'without muffler' mean here?

This cat-back is the pipework run without a rear muffler fitted, so there's nothing absorbing or reflecting sound at the tail — the result is louder than a muffled system. It suits owners running their own muffler choice or a deliberately freer setup. Because it's louder than stock, check the note against your state's noise requirements before committing.

What's a cat-back?

Cat-back covers everything from the catalytic converter back to the tail, leaving the engine's emissions hardware in place. Without a muffler the system flows with the least restriction but the most volume. The bore isn't published by the supplier, so confirm the pipe size with the workshop. We can't quote a sound level — hearing a comparable fit is the honest test.

Will it suit my VN–VR sedan?

It's listed to fit the 3.8L V6 Commodore VN, VP and VR sedan. The sedan body sets the routing, so confirm your exact build with the workshop before ordering — and decide whether you want a muffler added downstream.

How is it fitted in Illawarra?

Oak Flats Muffler Men supplies and fits the MKHN0039 in-house across the Illawarra. We match it to the cat flange, route it for the sedan, and can advise on adding a muffler if you want to settle the note. Bring the sedan in and we'll confirm fitment.

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

Common questions

Does the MKHN0039 include a muffler?
No — it's a without-muffler cat-back, so it runs louder than a muffled system. We can add a muffler if you want it quieter.
Will it be loud?
Louder than stock, since there's no rear box. Check the note against your state's noise rules before fitting.
What bore is it?
The bore isn't published by the supplier; confirm the pipe size with the workshop.

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.