Pacemaker 3" Performance Exhaust System with 1 3/4" Tuned Headers for HSV VY Series 2 & VZ 5.7L V8 Ute - PP5361-81

Pacemaker Full 3" Performance Exhaust System with 1 3/4" Tuned Headers for HSV VY Series 2 & VZ Utility (5.7L LS1 V8) - PP5361-81

Unleash the ultimate high-volume muscle roar and extract maximum horsepower from your Generation III small-block with the Pacemaker Sport Systems complete 3" performance exhaust solution featuring premium 1 3/4" tuned primary headers. Specifically engineered to satisfy the demanding respiratory needs, high-velocity gas volume, and elevated thermal output of the high-performance HSV 5.7L LS1 V8 engine, this high-flow setup is precision-molded to clear the unique utility floor pan profiles, chassis paths, and independent rear suspension geometry of the iconic VY II and VZ Maloo platforms. By pairing race-proven 1 3/4" tuned primary extractors with smooth, mandrel-bent heavy-duty 3-inch plumbing, it maximizes scavenging performance to completely eliminate power-robbing backpressure under wide-open throttle. As Australia’s premium exhaust innovator, Pacemaker combines this aggressive geometry with patented V-Tex technology and signature double-skinned mufflers, ensuring a thumping, authoritative V8 bark outside while actively engineering out harsh interior cabin boom or tray cavity resonance at cruising speeds. Note: Fits HSV VY Series 2 and VZ Utility (Maloo) models (2003–2006) equipped with the 5.7L LS1 V8 engine configuration.

Features:

Precision-manufactured in Australia to deliver the absolute peak in flow velocity, structural longevity, and refined acoustic depth for the elite VYII-VZ HSV utility tray platform.

• Complete Tuned Kit: Comprehensive performance track-and-street solution incorporating high-velocity 1 3/4" primary headers, premium high-flow cat paths, and a full 3" performance intermediate-to-rear exhaust system.
• Tuned Primary Headers: Features precision-formed 1 3/4" (44.5mm) extractors engineered explicitly to optimize cylinder scavenging and unlock massive mid-to-high RPM torque.
• Premium Materials: Constructed completely from durable, heavy-gauge Exhaust Grade 409 Stainless Steel to ensure superior structural longevity under high heat and pressure.
• V-Tex Technology: Advanced internal anti-drone configuration filters out harsh, low-frequency resonance typical of open tray cabins without creating any structural flow restrictions.
• Signature Mufflers: Heavy-duty double-skinned 409 Stainless Steel mufflers offer premium casing protection, zero internal packing blowout, and deep tonal control.
• 3" Hi-Flow Cats: Supplied with 3" premium high-flow metallic catalytic converters transitioning cleanly to a high-velocity 3" output path.

Important Fitment Notes:

• Specifically engineered to fit HSV VY Series 2 and VZ Utility (Maloo) platforms powered by the 5.7L LS1 Gen III V8 engine configuration (2003–2006).
• Utility Specific Chassis Layout: Due to the floor cavity contours, tray structures, and rear cargo hanger paths unique to the Ute body style, this kit features length-specific intermediate and tail plumbing. It will not adapt correctly to Sedan models.
• Full kit scope: Comprehensive system from engine block to exit tips, including tuned headers, high-flow converters, center sections, and signature double-skinned rear mufflers for total acoustic control.
• Direct bolt-on design maps seamlessly onto vehicle-specific factory rubber hanger positions. No custom fabrication or welding is required.
• Professional automotive performance technician installation is highly recommended to guarantee ideal ground clearance, strict chassis alignment, and leak-free engine bay sealing.

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