This kit silences with a hotdog and finishes with a tailpipe — no rear muffler: the HOLDEN-COMMODORE-VT-VY-V6-SEDAN-2-1-2-CATBACK-KIT-INC-HOTDOG-TAILPIPE from Exhaust Systems Australia is a 2in cat-back that relies on a single straight-through hotdog resonator and a tailpipe. It's listed to fit the Holden Commodore VT–VY V6 sedan.
What does a hotdog-and-tailpipe cat-back give?
Rather than a chambered rear muffler, this kit uses one hotdog — a compact straight-through resonator where gas passes through a perforated core wrapped in absorptive packing — and a matching tailpipe to finish the exit. That makes it the freest-flowing, most open layout in this VT–VY sedan family: the hotdog trims resonance without choking flow, and there's no large rear box damping the note. It runs on a 2in body to suit the standard or lightly worked six.
How does it compare to a muffler kit?
A muffler quietens by absorbing and reflecting sound in chambers; this kit leans on a single straight-through hotdog instead, so the silencing is lighter and the system keeps more of the V6's own voice. It's the choice when you want the cat-back open rather than subdued. As a cat-back it replaces from the catalytic converter back, leaving the factory cat in place. We can't put a number on the sound, so the honest test is to hear a comparable VT–VY fit before you commit.
Will it suit my VT–VY sedan?
It's listed to fit the Holden Commodore VT through VY V6 sedan — the single-pipe sedan routing and hanger spacing are particular to that body. Wagons and utes run their own kits, so confirm your exact build with the workshop before ordering to make sure this hotdog-and-tailpipe kit is the right one for your car.
How do we fit it at our Illawarra workshop?
Oak Flats Muffler Men supplies and fits this kit in-house across the Illawarra. We set the hotdog on the mid hangers, line the tailpipe up at the rear and check clearance to the floor and rear suspension. 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
Does this kit have a rear muffler?
No — it silences with a single straight-through hotdog and finishes with a tailpipe, which keeps it freer-flowing than a muffler kit.
Does it keep the catalytic converter?
Yes — it's a cat-back, so it replaces from the catalytic converter back and leaves the factory cat in place.
Will it fit a VT–VY wagon?
It's listed for the VT–VY V6 sedan. Wagons run a different kit, so confirm your 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.
Send the vehicle make, model, year, engine, current issue, desired sound or performance goal, and clear photos of the existing exhaust where available.