Redback Headers for Holden Commodore (01/2004 - 01/2006), Calais (01/2

Part specs

Header Outlet Size

051mm (2")

Header Primary Size

038mm (1 1/2")

EGR Fitting

N/A

Fits With Air Conditioning

Yes

Header Design

Tuned

Fits Power Steering

Yes

Fitting Time [min.]

180

Workshop note

Redback Headers for Holden Commodore (01/2004 • 01/2006), Calais (01/2 (SKU: RBH700) — SWD Australia Product Overview Serious about performance? The Redback Headers for Holden Commodore (01/2004 • 01/2006), Calais (01/2 delivers the flow, tone, and build quality your vehicle deserves, backed by SWD's reputation for excellence. The Redback Headers for Holden Commodore (01/2004 • 01/2006), Calais (01/2 is a complete Header system manufactured by Redback and distributed by SWD. Designed specifically for Australian conditions, this system replaces your factory exhaust with mandrel•bent piping, high•flow mufflers, and premium•grade stainless steel construction that outlasts and outperforms OEM equipment. Key Features & Benefits • Dynamically tuned mufflers deliver an aggressive note under load with minimal cabin drone • CNC•machined flanges and precision TIG welding for leak•free, factory•like fitment • Mandrel•bent premium•grade materials tubing for optimal exhaust flow and zero restriction points • Full bolt•on design — no cutting, welding, or fabrication required for installation • Dyno•proven power and torque gains across the entire RPM range 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 Beyond the immediate horsepower and torque gains, upgrading to the Redback Headers for Holden Commodore (01/2004 • 01/2006), Calais (01/2 delivers long•term benefits including reduced exhaust gas temperatures, improved fuel efficiency under cruise conditions, and extended turbocharger or engine life due to lower backpressure. The premium•grade materials construction ensures this is the last exhaust system your vehicle will ever need. Technical Specifications • Header Outlet Size: 051mm (2") • Header Primary Size: 038mm (1 1/2") • EGR Fitting: N/A • Fits With Air Conditioning: Yes • Header Design: Tuned • Fits Power Steering: Yes • Fitting Time [min.]: 180 Supplier Information The Redback Headers for Holden Commodore (01/2004 • 01/2006), Calais (01/2 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: RBH700 | RRP: $1119.0 AUD | Available from SWD. Where to Buy Get your Redback Headers for Holden Commodore (01/2004 • 01/2006), Calais (01/2 today from SWD. Priced at $1119.0 RRP with fast Australian shipping and full warranty coverage. Whether you're building a weekend warrior or upgrading your daily driver, this is the exhaust system that delivers.