
Redback Performance Exhaust System for Holden Commodore
SWDRRP$2732.34Redback Performance Exhaust System.
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Redback Performance Exhaust System.
Category: Complete exhaust systems


Redback STR174R is the right-side cat-back component listed to fit the Holden Calais built from 2006 to 2016. It carries an RRP of $241.99 and forms one bank of a dual-side rear exhaust.
The STR174R is a cat-back component — the rear of the exhaust behind the catalytic converter — and the R denotes the right-hand bank of a two-piece rear layout, paired with a matching left side. It is supplied as a component, not a complete system, so on its own it covers one side. The cat and front plumbing stay factory. Redback hasn't published the diameter or material for the STR174R on this listing, so we confirm those against the part.
This listing covers the Holden Calais from 2006 to 2016. Across that span the body and rear arrangement could vary, so we treat the STR174R as listed to fit rather than confirmed. Give the workshop your exact Calais build and we'll match it — and confirm the matching left-side piece — before anything is ordered.
As a cat-back component, the STR174R sits behind the catalytic converter and leaves the factory emissions hardware in place. Final road compliance and noise still depend on the specific car, so confirm NSW requirements with the workshop before booking the bay.
Oak Flats Muffler Men supplies and fits the STR174R in-house across the Illawarra. Because it's the right side of a pair, we check the matching left bank is on hand, confirm both clear the underbody and sit square in the hangers, and book the bay once the build is verified.
Stocked and fitted by Oak Flats Muffler Men, the Illawarra exhaust and 4x4 specialist in Oak Flats, NSW.
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.
Send the vehicle make, model, year, engine, current issue, desired sound or performance goal, and clear photos of the existing exhaust where available.