Pacemaker Tri-Y Performance Headers - HSV VY-VZ AWD Coupe 4, Avalanche & Avalanche XUV 5.7L Gen III - PH5366 L/R HSV Kit

Unlock the performance potential of your All-Wheel Drive HSV with the Pacemaker PH 5366 Tri-Y Performance Headers. Specifically engineered for the unique chassis requirements of the AWD Coupe 4, Avalanche Wagon, and Avalanche XUV Ute, these headers provide a significant upgrade over factory manifolds. The Tri-Y design is precision-tuned to maximize exhaust scavenging, enhancing the torque and power delivery of the 5.7 Litre Gen III engine. Constructed with 1⅝" (41mm) primary pipes and 1⅞" (48mm) secondaries, this kit ensures optimal exhaust flow while maintaining essential clearances for power steering and air conditioning systems. Designed for automatic transmission models, these headers offer the high-quality, bolt-on performance Pacemaker is known for.

Features:

This product offers the following performance features:

• AWD Optimized: Custom-designed specifically for the HSV All-Wheel Drive (AWD) chassis.
• Tri-Y Design: Pulse-matched design to increase low-to-mid range torque, ideal for heavy-duty performance and daily driving.
• Premium Construction: Mandrel-bent 1⅝" (41mm) primary and 1⅞" (48mm) secondary pipes for superior exhaust velocity.
• High-Flow Outlet: Features a 2½" (63mm) outlet to support increased power levels.
• System Compatibility: Fully compatible with Power Steering and Air Conditioning systems.
• Precision Engineering: Designed to fit HSV VY and VZ models with the 5.7L Gen III engine and automatic transmission.

Important Notes:

• Wiring Extensions: Models VY Series II and VZ require Oxygen Sensor Wiring Loom Extensions (VY Series II: PEX5367Y x 1; VZ 5.7L: PEX5367Z x 1).
• Transmission: Specifically designed for Automatic transmission models.

Important Information

• The image shown may not reflect the actual product
• Shipping times may vary depending on destination and stock availability

Vehicle Applications:

Payment & Security:
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

 

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Pacemaker Tri-Y Performance Headers - HSV VY-VZ AWD Coupe 4 / Avalanche / XUV 5.7L V8 - PH 5366 L/R HSV Kit

Unlock the performance potential of your All-Wheel Drive HSV with the Pacemaker PH 5366 Tri-Y Performance Headers. Engineered specifically for the rare AWD HSV line-up, including the VY-VZ Coupe 4, Avalanche wagon, and Avalanche XUV ute, these headers are designed to clear the complex AWD drivetrain while providing substantial gains in power and torque. The Tri-Y design focuses on optimizing exhaust scavenging for the 5.7 Litre Gen III LS1 engine, ensuring improved throttle response and a deep, aggressive V8 note. Built with mandrel-bent 1⅝" (41mm) primary pipes and 1⅞" (48mm) secondaries, these headers provide the high-flow efficiency needed for both street performance and heavy-duty use. Proudly Australian-made, this kit is specifically tailored for automatic transmission models.

Features:

This product offers the following performance features:

• AWD Specific Engineering: Custom-designed to fit the unique chassis and drivetrain of HSV All-Wheel Drive models.
• Tri-Y Scavenging: Optimized pipe routing to maximize mid-range torque and horsepower.
• High-Flow Construction: 1⅝" (41mm) primaries and 1⅞" (48mm) secondaries ensure smooth, unrestricted exhaust velocity.
• LS1 V8 Performance: Specifically tuned for the 5.7 Litre Gen III engine for optimal efficiency.
• Full Accessory Clearance: Maintains complete clearance for Power Steering and Air Conditioning systems.
• Precision Fitting: Designed for a high-quality fit on HSV VY and VZ AWD series.

Important Notes:

• Wiring Extensions: Models VY Series II and VZ require Oxygen Sensor Wiring Loom Extensions.
• VY Series II: Requires Part No PEX5367Y x 1.
• VZ 5.7Ltr: Requires Part No PEX5367Z x 1.
• Transmission: Specifically designed for Automatic models.

Important Information

• The image shown may not reflect the actual product
• Shipping times may vary depending on destination and stock availability

Vehicle Applications:

Payment & Security:
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.