Redback Performance Exhaust System for Holden Commodore (03/1990 - 06/

Part specs

Cat Option

With Cat

System Layout

Engine Back System

Header Design

Tuned

Coating

Premium Heat-Proof Paint

Tube Size

063mm (2 1/2")

Muffler Option

Centre Muffler Only (Medium)

Transmission

Auto

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")

Workshop note

Redback Performance Exhaust System for Holden Commodore (03/1990 • 06/ | Redback | SWD Australia Product Overview Looking to unlock the full potential of your vehicle? The Redback Performance Exhaust System for Holden Commodore (03/1990 • 06/ is engineered to deliver the performance, sound, and reliability that enthusiasts demand. Manufactured by Redback and available through SWD, the Redback Performance Exhaust System for Holden Commodore (03/1990 • 06/ represents the gold standard in aftermarket exhaust technology. Every component — from the CNC•machined flanges to the internally baffled mufflers — is engineered to reduce backpressure, improve exhaust gas velocity, and deliver a measurable increase in both power and torque. Key Features & Benefits • High•flow catalytic converters (where applicable) meet emissions standards without choking flow • Backed by SWD's Australian warranty and nationwide support network • Mandrel•bent premium•grade materials tubing for optimal exhaust flow and zero restriction points • Dyno•proven power and torque gains across the entire RPM range • Dynamically tuned mufflers deliver an aggressive note under load with minimal cabin drone Vehicle Fitment & Installation Designed as a direct replacement for the listed vehicle application, the Redback Performance Exhaust System for Holden Commodore (03/1990 • 06/ uses all OEM mounting locations and includes every bracket, gasket, and clamp needed for a straightforward installation. Professional installation is recommended but experienced home mechanics can complete the job in 2•4 hours on a hoist. Performance Benefits The performance gains from the Redback Performance Exhaust System for Holden Commodore (03/1990 • 06/ 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 • Header Design: Tuned • Coating: Premium Heat•Proof Paint • Tube Size: 063mm (2 1/2") • Muffler Option: Centre Muffler Only (Medium) • Transmission: Auto • Vehicle Make: Holden Supplier Information The Redback Performance Exhaust System for Holden Commodore (03/1990 • 06/ 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•RPM15640 | RRP: $2507.04 AUD | Available from SWD. Where to Buy Available now from SWD at an RRP of $2507.04. Order today with confidence — every system is inspected, packed, and shipped from Australian warehouses with full tracking and warranty support.