Holden Commodore VE VF V8 Ute & WM/WN Caprice Dual 3in Full System 1
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View partSSMKHN0159
HSV VZ V8 Gto Monaro 2.5in Dual With Extractors Hotdog/Muffler
HSV VZ V8 Gto Monaro 2.5in Dual With Extractors Hotdog/Muffler.
BrandMantaMPI Automotive
Category: Extractors and headers
RRP $5566.63 AUD
In stock at supplierAfterpay, Zip Pay & Zip Money available
Part specs
- SKU
- SSMKHN0159
- Supplier
- MPI Automotive
- Category
- Extractors and headers
- Vehicle fitment
- Holden
- Stock status
- In stock at supplier
A hotdog rear silencer defines the MPI Automotive SSMKHN0159 — a 2.5in dual extractor-and-exhaust package listed to fit the HSV VZ V8 GTO, the HSV-built version of the Monaro coupe. The straight-through hotdog gives this GTO a freer, more vocal rear than a conventional muffler.
What's a hotdog and why on a GTO?
A hotdog is a compact, straight-through resonator-style silencer rather than a baffled rear muffler. It takes the hard edge off the note without choking flow the way a heavier muffler can, so the SSMKHN0159 sits louder and freer than the muffler-each-side build of the same GTO system, while staying more composed than running the 2.5in dual wide open. It suits a coupe owner who wants the V8 heard.
What does the GTO Monaro listing mean?
The HSV GTO is the performance version of the VZ Monaro coupe, so this system is listed against that two-door HSV body specifically. Its routing and rear placement are set for the coupe rather than the sedans and utes that share the V8, which is why fitment is tied to the GTO Monaro.
What's in the package?
It's a complete extractor-back system, not headers alone. Tube-and-merge extractors replace the cast factory manifolds at the heads — the main breathing restriction on these V8s — then a matched 2.5in dual runs back through the hotdog silencer. The change runs from the engine all the way to the tail, with the hotdog setting the rear voice.
How is fit confirmed at our Illawarra workshop?
Oak Flats Muffler Men supplies and fits MPI extractor systems in-house across the Illawarra. The SSMKHN0159 is listed to fit the HSV VZ GTO Monaro; as a major-spend item we confirm your exact build and rear arrangement before ordering, and we'll talk through how the hotdog note compares to the muffled version. Send your build and we'll 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 hotdog GTO build louder than the muffler version?
- Yes — the hotdog is a straight-through silencer, so the SSMKHN0159 is freer and louder than the muffler-each-side GTO system, while still more controlled than running open.
- Does this only fit the HSV GTO coupe?
- It's listed for the HSV VZ GTO Monaro, the two-door HSV build. The routing is set for the coupe, so 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.
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.