Redback Headers For HOLDEN HQ-HZ 71-80 149-202 REDMOTOR WITH EGR TRI-Y

Part specs

Header Secondary Size

051mm (2")

EGR Fitting

Yes

Header Design

Tri-Y

Fits With Air Conditioning

Yes

Header Outlet Size

057mm (2 1/4")

Header Primary Size

038mm (1 1/2")

Fits Power Steering

Yes

Fitting Time [min.]

120

Workshop note

Redback Headers For HOLDEN HQ•HZ 71•80 149•202 REDMOTOR WITH EGR TRI•Y — SWD Product Overview Whether you're chasing dyno numbers, towing torque, or that perfect V8 rumble, the Redback Headers For HOLDEN HQ•HZ 71•80 149•202 REDMOTOR WITH EGR TRI•Y is the upgrade your vehicle has been waiting for. The Redback Headers For HOLDEN HQ•HZ 71•80 149•202 REDMOTOR WITH EGR TRI•Y 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 • Backed by SWD's Australian warranty and nationwide support network • Full bolt•on design — no cutting, welding, or fabrication required for installation • CNC•machined flanges and precision TIG welding for leak•free, factory•like fitment • High•flow catalytic converters (where applicable) meet emissions standards without choking flow • Mandrel•bent premium•grade materials tubing for optimal exhaust flow and zero restriction points 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 Headers For HOLDEN HQ•HZ 71•80 149•202 REDMOTOR WITH EGR TRI•Y 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 • Header Secondary Size: 051mm (2") • EGR Fitting: Yes • Header Design: Tri•Y • Fits With Air Conditioning: Yes • Header Outlet Size: 057mm (2 1/4") • Header Primary Size: 038mm (1 1/2") • Fits Power Steering: Yes • Fitting Time [min.]: 120 Supplier Information The Redback Headers For HOLDEN HQ•HZ 71•80 149•202 REDMOTOR WITH EGR TRI•Y 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: RBH177 | RRP: $685.0 AUD | Available from SWD. Where to Buy Available now from SWD at an RRP of $685.0. Order today with confidence — every system is inspected, packed, and shipped from Australian warehouses with full tracking and warranty support.