MKHN0145

Holden VX VY V8 Monaro 2.5in Dual Catback Muffler

Holden VX VY V8 Monaro 2.5in Dual Catback Muffler/Muffler.

BrandMantaMPI Automotive

Category: Mufflers and resonators

RRP $1267.92 AUD
In stock at supplier
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Holden VX VY V8 Monaro 2.5in Dual Catback Muffler/Muffler product image

Part specs

SKU
MKHN0145
Supplier
MPI Automotive
Category
Mufflers and resonators
Vehicle fitment
Holden
Stock status
In stock at supplier

Shaped for the Holden VX/VY V8 Monaro, the MPI Automotive MKHN0145 is a 2.5in dual cat-back with twin mufflers in each line. The Monaro's coupe rear floor takes its own routing, and this fully silenced dual layout is built around it.

What's particular about a Monaro system?

The VX/VY Monaro is a two-door on the Commodore underpinnings, and its rear floor and hanger layout differ from the sedan and ute it's based on. The MKHN0145 is routed for that coupe body as a dual, so twin 2.5in pipes run the length of the car. It's the dual cat-back made specifically for the Monaro shape rather than adapted from another body.

Why twin mufflers per side?

A muffler-into-muffler run puts two silencing stages in each pipe, so the V8 passes through twice the absorption and reflection of a single box. Across a dual layout that makes the MKHN0145 the most subdued of the dual options — measured rather than loud. The 2.5in bore holds gas speed up for low-down and mid-range response. We can't quote a sound figure; a comparable twin-muffler fit is the honest gauge.

Will it suit my VX or VY Monaro?

It's listed to fit the Holden VX and VY V8 Monaro. Confirm your exact build with the workshop before ordering. It stays a cat-back, so the catalytic converter and front pipework are retained — only the section behind the cat is replaced.

How do we fit it at our Illawarra workshop?

Oak Flats Muffler Men supplies and fits the MKHN0145 in-house across the Illawarra. We hang both pipes and all four mufflers on the Monaro's mounts, check clearance to the coupe floor and rear valance, and join every stage square. Bring the car in and we'll confirm fitment and book the bay.

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

Common questions

Is the MKHN0145 made for the Monaro specifically?
Yes — it's routed for the VX/VY V8 Monaro coupe body, which differs from the sedan and ute layout.
How many mufflers does it have?
Two per side across a dual layout, so four mufflers in total — the most subdued of the dual options.
What bore is it?
It's 2.5in per pipe, holding gas speed up for low-down and mid-range response.

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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