HOLDEN COMMODORE VT-VZ S/C V6 & 5.7L SED/MONARO TWIN 2 1/2" CM WITH HOTDOGS & X PIPE for Performance Car - Holden.
Category: Mufflers and resonators
Hotdog resonators paired with an X-pipe are what define this one: the Exhaust Systems Australia HOLDEN-COMMODORE-VT-VZ-S-C-V6-AND-5-7L-SED-MONARO-TWIN-2-1-2-CM-WITH-HOTDOGS-X-PIPE is a 2in twin centre section using compact straight-through hotdogs and a crossover X-pipe, listed for VT–VZ Commodore S/C and Monaro variants.
A hotdog is a compact, straight-through resonator — a short cylinder that smooths the note and trims drone without the volume drop of a full chambered muffler. An X-pipe is a crossover that links the two banks mid-system, blending the pulses so the twin sound evens out. Together on this 2in centre section they form the mid-system tuning stage rather than a heavy silencer, which is why this part suits owners chasing a clean twin note over outright quiet. It's listed across both the V6 (S/C) and 5.7L Monaro cars.
Because hotdogs flow straight through, they tune and resonate rather than heavily muffle, so they take the edge off drone while letting the system stay freer than a chambered box would. The X-pipe's crossover further smooths the note by sharing flow between banks. There's no published sound figure here, so the honest test is to hear a comparable VT–VZ twin fit — this is a tuning stage, not the final word on volume.
It's listed to fit the Holden Commodore VT through VZ S and C-pack V6 cars and the 5.7L Monaro, in a twin 2in layout. The centre-section length and crossover position are specific to these bodies, so confirm your exact model and that you're running the twin layout with the workshop before ordering.
Oak Flats Muffler Men supplies and fits this hotdog-and-X-pipe centre section in-house across the Illawarra. We set the X-pipe crossover square, hang the two hotdogs clear of the floor, and line the section up to the front and rear stages. 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.
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.
More mufflers and resonators the workshop supplies and fits. Send the vehicle and the part you are weighing up for a fitted quote.
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View partSend the vehicle make, model, year, engine, current issue, desired sound or performance goal, and clear photos of the existing exhaust where available.
