Redback Performance Headers and 2.5" Exhaust System for Holden Commodo

Part specs

Cat Option

With Cat

System Layout

Engine Back System

Coating

Premium Heat-Proof Paint

Header Design

Tri-Y

Tube Size

063mm (2 1/2")

Transmission

Manual

Muffler Option

With Centre & Rear Muffler

Vehicle Make

Holden

Fitting Time [min.]

240

Fits With Air Conditioning

Yes

Fits Power Steering

Yes

Header Secondary Size

045mm (1 3/4")

EGR Fitting

N/A

Header Outlet Size

063mm (2 1/2")

Header Primary Size

041mm (1 5/8")

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")

Workshop note

Redback Performance Headers and 2.5" Exhaust System for Holden Commodo | Redback | SWD Australia Product Overview Whether you're chasing dyno numbers, towing torque, or that perfect V8 rumble, the Redback Performance Headers and 2.5" Exhaust System for Holden Commodo is the upgrade your vehicle has been waiting for. This Performance Exhaust System system from Redback (via SWD) is built for drivers who refuse to compromise. Featuring aircraft•grade premium•grade materials construction, precision TIG welding, and acoustically tuned mufflers, it delivers everything from whisper•quiet cruising to an aggressive wide•open throttle note. Key Features & Benefits • Dynamically tuned mufflers deliver an aggressive note under load with minimal cabin drone • Full bolt•on design — no cutting, welding, or fabrication required for installation • High•flow catalytic converters (where applicable) meet emissions standards without choking flow Vehicle Fitment & Installation Engineered for direct fitment on the listed vehicle application, this system bolts directly to factory mounting points using included hardware. All sensors, hangers, and emissions connections are retained for a true bolt•on installation that requires no modifications to your vehicle. Performance Benefits The performance gains from the Redback Performance Headers and 2.5" Exhaust System for Holden Commodo aren't just numbers on a dyno sheet — you'll feel the difference every time you accelerate. Reduced backpressure means your engine breathes easier, spools turbos faster, and delivers throttle response that puts a smile on your face. Combined with the weight savings over factory steel exhausts, this upgrade transforms how your vehicle drives. Technical Specifications • Cat Option: With Cat • System Layout: Engine Back System • Coating: Premium Heat•Proof Paint • Header Design: Tri•Y • Tube Size: 063mm (2 1/2") • Transmission: Manual • Muffler Option: With Centre & Rear Muffler • Vehicle Make: Holden Supplier Information The Redback Performance Headers and 2.5" Exhaust System for Holden Commodo is sourced from SWD (swd.com.au), one of Australia's leading automotive parts distributors. Every unit is backed by SWD's warranty and supported by their nationwide dealer network. SKU: K•RPM14620 | RRP: $2607.76 AUD | Available from SWD. Where to Buy Available now from SWD at an RRP of $2607.76. Order today with confidence — every system is inspected, packed, and shipped from Australian warehouses with full tracking and warranty support.