Will the K-RPD14602 fit my Holden Commodore?

It is listed to fit the Holden Commodore (1991). Exhaust fitment data can be imperfect, so confirm your exact variant with the workshop before ordering.

Does this replace the catalytic converter?

No. It is a cat-back, so it replaces the pipework, mufflers and tailpipe from the catalytic converter rearward and leaves the factory cat and front pipe in place.

Will it be louder than standard?

A cat-back typically changes the note compared with the factory muffler, but the supplier does not publish sound data, so we will not quote a figure. It is the rear section that is renewed and resilenced.

K-RPD14602

Redback Performance Exhaust System for Holden Commodore

Redback Performance Exhaust System.

BrandRedbackSWD

Category: Complete exhaust systems

RRP $2727.75 AUD

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Redback Performance Exhaust System for Holden Commodore (09/1991 - 199 product image

Part specs

Transmission: Auto
Coating: Premium Heat-Proof Paint
Header Design: Tri-Y
System Layout: Engine Back System
Cat Option: With Cat
Muffler Option: With Centre & Rear Muffler
Tube Size: 063mm (2 1/2")
Vehicle Make: Holden
Fitting Time [min.]: 240
Header Secondary Size: 045mm (1 3/4")
Header Primary Size: 041mm (1 5/8")
Fits Power Steering: Yes
EGR Fitting: N/A
Header Outlet Size: 063mm (2 1/2")
Fits With Air Conditioning: Yes
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-RPD14602 is a cat-back exhaust system listed to fit the Holden Commodore (1991). It replaces the run from behind the catalytic converter back to the tailpipe, so it is a rear-section upgrade rather than a full engine-back job.

What does this system cover?

A cat-back system covers the pipework, any centre and rear muffler, and the tailpipe from the catalytic converter rearward. On the Holden Commodore the K-RPD14602 is the rear-section package, so the standard front pipe and catalytic converter stay as the factory fitted them. The supplier does not publish a pipe diameter or material for this listing, so those are confirmed on the bench rather than guessed at here.

What is a cat-back and what does it change?

A cat-back sits between a full engine-back system and a simple muffler swap. Because it keeps the catalytic converter, it changes the rear pipe and silencing without altering what comes out of the engine, which is why it is a common choice for an older Holden that is due for new pipework anyway. The trade-off is honest: you renew the back half and can lift the note over a stock muffler, but it is not a power-build claim, and on a vintage car the real value is often fresh metal in place of worn-out pipe.

Will it suit my Holden Commodore?

It is listed to fit the Holden Commodore from 1991; feed data like this can be imperfect, so send your build and we will confirm the exact variant before ordering. Older Holden platforms ran several body and driveline combinations across the years, and the right cat-back depends on which one you have.

What does fitting involve at our Illawarra workshop?

Oak Flats Muffler Men supplies and fits cat-back systems like the K-RPD14602 in-house across the Illawarra. It is listed at $2727.75, and as an older Holden part it can be a special-order item, so talk to us about availability and we will book the bay once it is confirmed.

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

Common questions

Will the K-RPD14602 fit my Holden Commodore?: It is listed to fit the Holden Commodore (1991). Exhaust fitment data can be imperfect, so confirm your exact variant with the workshop before ordering.
Does this replace the catalytic converter?: No. It is a cat-back, so it replaces the pipework, mufflers and tailpipe from the catalytic converter rearward and leaves the factory cat and front pipe in place.
Will it be louder than standard?: A cat-back typically changes the note compared with the factory muffler, but the supplier does not publish sound data, so we will not quote a figure. It is the rear section that is renewed and resilenced.

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.

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.

Unit 2/8 Shaban St, Albion Park Rail NSW 2527 02 4256 3740 sales@mufflermen.com.au Send vehicle details