Holden Commodore VT - VZ V8 Sedan 3in Dual Catback Hotdog/Muffler
Holden Commodore VT - VZ V8 Sedan 3in Dual Catback Hotdog/Muffler for HOLDEN. Part MKHN0121 by MPI Automotive. $1,557.83 RRP at MPI Automotive. Buy o.
Category: Mufflers and resonators

Part specs
- SKU
- MKHN0121
- Supplier
- MPI Automotive
- Category
- Mufflers and resonators
- RRP
- $1557.83 AUD
- Brand
- MPI Automotive
- Vehicle fitment
- HOLDEN
- Stock status
- IN_STOCK
- Source ID
- MPI_MKHN0121
Workshop note
Holden Commodore VT • VZ V8 Sedan 3in Dual Catback Hotdog/Muffler (SKU: MKHN0121) — MPI Automotive Australia Product Overview Transform your HOLDEN's performance and soundtrack with the Holden Commodore VT • VZ V8 Sedan 3in Dual Catback Hotdog/Muffler — a precision•engineered upgrade designed for the Australian market. This system from MPI Automotive (via MPI Automotive) is built for drivers who refuse to compromise. Featuring aircraft•grade premium•grade materials construction, precision TIG welding, and acoustically tuned mufflers, it delivers everything from whisper•quiet cruising to an aggressive wide•open throttle note. Key Features & Benefits • Full bolt•on design — no cutting, welding, or fabrication required for installation • High•flow catalytic converters (where applicable) meet emissions standards without choking flow • Dyno•proven power and torque gains across the entire RPM range • Mandrel•bent premium•grade materials tubing for optimal exhaust flow and zero restriction points • CNC•machined flanges and precision TIG welding for leak•free, factory•like fitment Vehicle Fitment & Installation Designed as a direct replacement for the HOLDEN, the Holden Commodore VT • VZ V8 Sedan 3in Dual Catback Hotdog/Muffler uses all OEM mounting locations and includes every bracket, gasket, and clamp needed for a straightforward installation. Professional installation is recommended but experienced home mechanics can complete the job in 2•4 hours on a hoist. Performance Benefits The performance gains from the Holden Commodore VT • VZ V8 Sedan 3in Dual Catback Hotdog/Muffler aren't just numbers on a dyno sheet — you'll feel the difference every time you accelerate. Reduced backpressure means your engine breathes easier, spools turbos faster, and delivers throttle response that puts a smile on your face. Combined with the weight savings over factory steel exhausts, this upgrade transforms how your HOLDEN drives. Compatible Vehicles This part is designed for fitment on: HOLDEN. Supplier Information The Holden Commodore VT • VZ V8 Sedan 3in Dual Catback Hotdog/Muffler is sourced from MPI Automotive (mpiautomotive.com), one of Australia's leading automotive parts distributors. Every unit is backed by MPI Automotive's warranty and supported by their nationwide dealer network. SKU: MKHN0121 | RRP: $1,557.83 AUD | Available from MPI Automotive. Where to Buy Available now from MPI Automotive at an RRP of $1,557.83. Order today with confidence — every system is inspected, packed, and shipped from Australian warehouses with full tracking and warranty support.
Fitment support across the Illawarra
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.
