Mustang FN 5.0L V8 2018-23 3in Full System Centre Hotdogs & Rear
MPI AutomotiveRRP$6985.53Mustang FN 5.0L V8 2018-23 3in Full System Centre Hotdogs & Rear Bi-modal Muffler 4in Quad Tip.
View partMBM387MF
Ford Falcon AU V8 IRS Sedan 2 1/2inc/Muffler
MPI Automotive Ford Falcon AU V8 IRS Sedan 2 1/2inc/Muffler.
BrandMantaMPI Automotive
Category: Mufflers and resonators
RRP $490.82 AUD
In stock at supplierAfterpay, Zip Pay & Zip Money available
Part specs
- SKU
- MBM387MF
- Supplier
- MPI Automotive
- Category
- Mufflers and resonators
- Stock status
- In stock at supplier
The MPI Automotive MBM387MF is a 2in muffler listed to fit the V8 Ford Falcon AU sedan with independent rear suspension. The IRS-specific fitment is the key detail — it's shaped to clear the IRS cradle that the AU sedan introduced, rather than the live-axle floor.
Why does IRS matter for this muffler?
The AU Falcon's independent rear suspension changed the geometry under the back of the car compared with the live-axle layout, so the rear exhaust has to be routed and shaped to clear the IRS cradle and links. The MBM387MF is listed for the IRS V8 sedan, meaning it's the right body-and-suspension match — fitting an IRS-specific part avoids fouling the rear cradle.
What does the 2in bore suit?
At 2in this is the narrower-bore muffler, which keeps gas speed up and suits the AU V8 in a street sedan rather than a heavily worked build. As a muffler it quietens by chambered absorption and reflection, settling the note without simply blocking the pipe.
Will it fit my AU V8 sedan?
It's listed for the V8 AU Falcon sedan with IRS. Confirm your exact build with us — the AU ran in series across its life and the rear suspension and hanger detail can vary, so we'll check it against your car before ordering.
What does fitting involve at our Illawarra workshop?
Oak Flats Muffler Men fits the MBM387MF in-house, confirming the IRS sedan build and setting the muffler so it clears the rear cradle and sits even on its hangers. Book the car in and we'll match the part to your VIN.
Stocked and fitted by Oak Flats Muffler Men, the Illawarra exhaust and 4x4 specialist in Oak Flats, NSW.
Common questions
- Is this for the IRS sedan?
- Yes — the MBM387MF is listed for the V8 AU Falcon sedan with independent rear suspension, shaped to clear the IRS cradle.
- What bore is it?
- It's a 2in muffler, the narrower bore suited to a street AU V8.
- Will it fit a live-axle AU?
- It's listed for the IRS sedan specifically. Confirm your rear suspension type with the workshop before ordering.
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.
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View partBook 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.