K-RPM15720

Redback Performance 2.5" Exhaust System for Holden Commodore VN VP VR

Redback Performance 2.5" Exhaust System.

BrandRedbackSWD

Category: Complete exhaust systems

RRP $354.48 AUD
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Redback Performance 2.5" Exhaust System for Holden Commodore VN VP VR product image

Part specs

Tube Size
063mm (2 1/2")
Transmission
Both A/M
Coating
Premium Heat-Proof Paint
Muffler Option
Centre Muffler Only (Medium)
System Layout
Cat Back System
Vehicle Make
Holden
Length
133mm
Width
98
Pack Size
10
Inside Diameter
65mm
Tube Size (In)
067mm (2 5/8")
Type
U-Bolt
Tube Size (Out)
067mm (2 5/8")

The Redback K-RPM15720 is a 2.5in cat-back system listed for the Holden Commodore in VN, VP and VR guise, priced at $354.48 AUD. The 2.5in figure comes straight from the listing; it covers the run behind the catalytic converter.

What is covered, and at what size?

This is a 2.5in cat-back, so the 2.5in bore applies to the section it replaces — everything from the catalytic converter rearward on the Holden Commodore VN, VP and VR. The front pipe and cat are left factory. Redback does not publish a material on this SKU, so we confirm that detail against the part rather than state it here.

Which Commodores does it list to?

The K-RPM15720 is set up for the VN, VP and VR Commodore — the early-1990s wave of the Holden sedan and wagon. Those three series share enough underneath that a single listing spans them, but trim and driveline still varied, so the listing is a fitment guide, not a guarantee for your individual car.

What does a cat-back actually do here?

On a car like the VN-to-VR Commodore, a cat-back is the rear-section swap: it leaves the catalytic converter and front plumbing as Holden built them and changes only the piping behind. It is the least disruptive of the exhaust options, which is why it is a common first upgrade. The character of the note shifts with that rear run and its muffling — we do not attach a sound figure, because the supplier publishes none.

How does Oak Flats Muffler Men handle it?

We supply and fit the K-RPM15720 in-house across the Illawarra. The 2.5in kit goes up on the hoist, we check it clears the underbody and the hangers seat properly, then book it in. Send your VN, VP or VR details and we will confirm the match first.

Stocked and fitted by Oak Flats Muffler Men, the Illawarra exhaust and 4x4 specialist in Oak Flats, NSW.

Common questions

Is this exhaust really 2.5in?
Yes. The listing specifies a 2.5in cat-back for the Holden Commodore VN, VP and VR.
Will it fit all three series?
It is listed across the VN, VP and VR Commodore. Confirm your exact series and driveline with the workshop before ordering.
What is it priced at?
The listed RRP is $354.48 AUD, with fitting quoted separately.

Fitment support across the Illawarra

Fitment checks near you across 18 Illawarra suburbs, from Oak Flats and Shellharbour to Wollongong and Kiama.
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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.