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View partMKHN0378
Holden Colorado RC 3.0L 08-10 SWB Without Cat & WITHOUT MUFFLER
Holden Colorado RC 3.0L 08-10 SWB Without Cat & WITHOUT MUFFLER.
BrandMantaMPI Automotive
Category: Mufflers and resonators
RRP $1614.44 AUD
In stock at supplierAfterpay, Zip Pay & Zip Money available
Part specs
- SKU
- MKHN0378
- Supplier
- MPI Automotive
- Category
- Mufflers and resonators
- Vehicle fitment
- Holden
- Stock status
- In stock at supplier
Stripped of both the catalytic converter and the rear muffler, the MPI Automotive MKHN0378 is the most uncorked path through the Holden Colorado RC 3.0L (short wheelbase). It's the no-restriction build: nothing left in the pipe to absorb gas or quieten the note.
What does "without cat, without muffler" actually change?
Pulling the catalytic converter and the rear muffler out of the run removes the two biggest restrictions in a factory exhaust. That makes this the freest-flowing and loudest of the MKHN family for the Colorado RC — a louder, harder note than stock and far less back-pressure than the original system. There is no chambered muffler to soften the tone, so what you hear is mostly the raw diesel pulse.
Is the MKHN0378 road legal in NSW?
No. Because this build deletes the catalytic converter on a road-relevant system, it is not ADR 79/04 compliant for road registration in NSW and is sold for off-road use only. That's the trade-off for the unrestricted layout — there's no softening that point, so factor it into how you'll use the vehicle before ordering.
Which Colorado does it suit?
It's listed to fit the Holden Colorado RC 3.0L in short-wheelbase form. Years and exact engine code aren't published in the supplier record, so confirm the precise build with the workshop before ordering. The short-wheelbase routing differs from the long-wheelbase part, so the SWB/LWB distinction matters when matching it to your ute.
What does fitting involve at Oak Flats Muffler Men?
We fit MKHN0378 in-house across the Illawarra, checking flange alignment and clearance along the chassis as it goes up. It's listed to fit the SWB Colorado RC 3.0L; send your build details and we'll confirm fitment and book the bay. As an off-road-only part, we'll talk through where you can legally run it first.
Stocked and fitted by Oak Flats Muffler Men, the Illawarra exhaust and 4x4 specialist in Oak Flats, NSW.
Common questions
- Why is the MKHN0378 louder than the other Colorado options?
- It runs without a rear muffler and without the catalytic converter, so there's nothing in the pipe to absorb or quieten the note. It's the most open of the MKHN Colorado RC builds.
- Can I register a vehicle with this system in NSW?
- No. With the catalytic converter deleted it isn't ADR 79/04 compliant for road registration in NSW, so it's for off-road use only.
- Does it fit the long-wheelbase Colorado?
- This part is listed for the short-wheelbase RC 3.0L. The long-wheelbase ute uses a different part number, so confirm your build 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.
Check fitment near Oak FlatsCheck fitment near Albion Park RailCheck fitment near ShellharbourCheck fitment near WollongongCheck fitment near DaptoCheck fitment near WarillaCheck fitment near CorrimalCheck fitment near WoononaCheck fitment near BulliCheck fitment near ThirroulCheck fitment near KiamaCheck fitment near Albion ParkCheck fitment near Lake IllawarraCheck fitment near Mount WarrigalCheck fitment near Barrack HeightsCheck fitment near Barrack PointCheck fitment near BlackbuttCheck fitment near Flinders
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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.