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View partSTR239
Redback Performance 2.5" Rear Muffler for Ford Falcon AU with IRS
Redback Performance 2.5" Rear Muffler.
BrandRedbackRedback Exhausts
Category: Mufflers and resonators
RRP $237.99 AUD
In stock at supplierAfterpay, Zip Pay & Zip Money available
Part specs
- SKU
- STR239
- Supplier
- Redback Exhausts
- Category
- Mufflers and resonators
- Vehicle fitment
- ford
- Stock status
- In stock at supplier
The Redback STR239 is a performance 2.5in rear muffler listed to fit the Ford Falcon AU with IRS. It's the rear section, built specifically for the independent-rear-suspension AU rather than the live-axle cars.
What does this rear muffler do?
As the rear muffler, the STR239 sits at the back of the AU's system and carries the final quietening duty. At 2.5in it eases the factory restriction at the tail while still working as a chambered muffler, so the AU keeps a controlled note rather than a raw, open exit.
Why the IRS-specific version?
This is listed for the AU Falcon with independent rear suspension. IRS cars route the rear exhaust around a different rear-end layout than live-axle Falcons, so the rear muffler has to suit that geometry. Matching the IRS version is what keeps the section clearing the rear cradle correctly.
Will it suit my AU Falcon?
It's listed to fit the Ford Falcon AU with IRS. Confirm your car actually runs the IRS setup and send your exact build to the workshop, and we'll make sure the rear muffler lines up before ordering.
What's involved in fitting at Oak Flats?
Oak Flats Muffler Men fits rear mufflers like the STR239 in-house across the Illawarra. We check the section clears the IRS rear end and the tailpipe sits square, confirm the hangers, then book the bay once it's confirmed for your AU. On these older Falcons we also inspect the pipe ahead of the rear muffler before fitting, so the new unit seals to sound metal rather than a corroded join, and confirm the listing matches your build before ordering.
Stocked and fitted by Oak Flats Muffler Men, the Illawarra exhaust and 4x4 specialist in Oak Flats, NSW.
Common questions
- Is the STR239 a rear muffler?
- Yes — it's the 2.5in rear muffler listed to fit the Ford Falcon AU with IRS.
- Does my AU need the IRS version?
- This part is listed for IRS cars specifically. Confirm your AU runs IRS with the workshop before ordering so it clears correctly.
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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