Does the SSMKHN0007 keep the cat?

Yes — this is the with-cat build, so the factory catalytic converter stays in the system.

Will it fit a long-wheelbase RC?

This listing is for the short-wheelbase RC 3.0L (2010–2012). A LWB ute needs the matching listing — confirm your exact body with the workshop.

SSMKHN0007

Holden Colorado RC 3.0L 10 - 12 SWB With Cat & Muffler

Holden Colorado RC 3.0L 10 - 12 SWB With Cat & Muffler.

BrandMantaMPI Automotive

Category: Mufflers and resonators

RRP $3202.72 AUD

In stock at supplier

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Holden Colorado RC 3.0L 10 - 12 SWB With Cat & Muffler product image

Part specs

SKU: SSMKHN0007
Supplier: MPI Automotive
Category: Mufflers and resonators
Vehicle fitment: Holden
Stock status: In stock at supplier

Keeping the factory catalytic converter is what defines the MPI Automotive SSMKHN0007, a with-cat system listed to fit the short-wheelbase Holden Colorado RC 3.0L (2010–2012). It runs a muffler too, making it the road-minded build for an SWB RC ute.

What does the with-cat SWB build offer?

This is the short-wheelbase RC variant that retains the catalytic converter — the opposite trade to a cat-delete. The SWB routing sets the pipe length for the shorter tray, and the cat staying in place keeps the emissions hardware the ute left the factory with. The muffler holds the note in check. It's the option for owners who want a fresh, free-flowing system without stepping outside road-registration territory.

Why retain the catalytic converter?

On a 3.0L diesel the cat is the emissions device that road compliance hinges on. Leaving it in the system, as the SSMKHN0007 does, keeps the Colorado closer to factory emissions behaviour and avoids the off-road-only restrictions a cat-delete carries. It's the considered choice for a daily-driven, registered SWB RC.

Is it road legal in NSW?

Because this build keeps the catalytic converter, it leaves the key emissions equipment in place rather than removing it — the road-minded path for a registered ute. Confirm the exact build and any current state requirements with the workshop before fitting, since individual vehicle setups and rules can vary.

What does fitting involve at our Illawarra workshop?

Oak Flats Muffler Men supplies and fits with-cat systems like this in-house across the Illawarra. It's listed to fit the short-wheelbase RC 3.0L from 2010 to 2012; send us your body, wheelbase and build year and we'll confirm clearances and the cat fitment before booking you in.

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

Common questions

Does the SSMKHN0007 keep the cat?: Yes — this is the with-cat build, so the factory catalytic converter stays in the system.
Will it fit a long-wheelbase RC?: This listing is for the short-wheelbase RC 3.0L (2010–2012). A LWB ute needs the matching listing — confirm your exact body 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.Show nearby fitment areasCollapse section

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.

Book the right exhaust job without guessing.

Send the vehicle make, model, year, engine, current issue, desired sound or performance goal, and clear photos of the existing exhaust where available.

Unit 2/8 Shaban St, Albion Park Rail NSW 2527 02 4256 3740 sales@mufflermen.com.au Send vehicle details

Holden Colorado RC 3.0L 10 - 12 SWB With Cat & Muffler

Part specs

What does the with-cat SWB build offer?

Why retain the catalytic converter?

Is it road legal in NSW?

What does fitting involve at our Illawarra workshop?

Common questions

Fitment support across the Illawarra

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Book the right exhaust job without guessing.