Pacemaker 3" Performance Exhaust System with Tri-Y Headers for Holden VY Series 2 VZ 5.7L V8 Sedan - PP5367-55

Pacemaker Full 3" Performance Exhaust System with Tri-Y Headers & Hi-Flow Cats for Holden VY Series 2 & VZ Sedan (5.7L Gen III V8) - PP5367-55

Unleash devastating low-to-mid range torque, optimize scavenging velocity tracking, and extract a rich, deep Australian muscle car roar from your high-performance engine block with the Pacemaker Sport Systems full 3-inch performance exhaust solution featuring high-efficiency Tri-Y tuned extractors. Specifically configured to maximize power curves on the Holden Gen III 5.7L V8 sedan architecture (LS1 powerplants), this premium package pairs race-bred performance hardware with a fully muffled intermediate and rear system. Custom-molded specifically to match sedan floor pan lines, clear standard wheelbase chassis channels, and map perfectly around vehicle-specific rear suspension layouts, it completely eliminates power-robbing backpressure under wide-open throttle transitions. As Australia’s premium exhaust innovator, Pacemaker integrates elite structural engineering with 3" metallic high-flow catalytic converters, patented V-Tex technology, and signature double-skinned mufflers, producing an authoritative performance roar on throttle while actively engineering out harsh interior cabin boom or sedan body resonance to preserve a completely clean, drone-free cruising experience.

Note: Fits Holden VY Series 2 and VZ Sedan variants built from August 2003 onwards equipped with the 5.7L Gen III V8 engine layout; does not fit Utility (Ute), Station Wagon, or later generation VE/VF platforms due to significant chassis length, structural floor contour, and hanger position variations.

Features:

Precision-manufactured in Australia to deliver a heavy-duty large-bore flow upgrade, exceptional structural longevity under intense heat, and a refined performance acoustic profile for the classic VZ performance sedan chassis.

• Complete Performance Kit: Comprehensive track-and-street performance upgrade incorporating premium tuned Tri-Y headers, 3" high-flow metallic catalytic converters, and a matching full 3-inch intermediate piping route with high-efficiency mufflers.
• Tuned Tri-Y Design Architecture: Secondary-paired pipe layout engineered specifically to build exceptional low-to-mid range torque response, making it the perfect upgrade for vehicle acceleration tracking.
• Sedan Specific Clearance: Custom-tailored plumbing path configured to route cleanly beneath standard sedan floor contours, rear subframes, and vehicle-specific rear exit lines.
• Premium Materials: Constructed completely from durable, heavy-gauge Exhaust Grade 409 Stainless Steel to ensure superior structural longevity and resistance to thermal fatigue.
• Large-Bore Mandrel Bent Tubing: Rigid full 3" (76.2mm) pipe structure guarantees a smooth, uniform internal diameter through all bends to eliminate gas turbulence and prevent flow restriction.
• V-Tex Technology: Advanced internal patented anti-drone configuration filters out harsh, low-frequency cabin resonance typical of large configurations without restricting gas velocity footprints.
• Signature Mufflers: Heavy-duty double-skinned 409 Stainless Steel mufflers offer premium outer case reinforcement, preventing case distortion and internal packing blowout under heavy thermal load constraints.
• Direct Bolt-On Layout: Engineered as a comprehensive, vehicle-specific full bolt-up kit that mounts directly onto existing factory rubber hanger positions—no custom fabrication required.

Vehicle Applications:

Important Fitment Notes:

• Specifically engineered to fit Holden Commodore VY Series 2 and VZ Sedan configurations powered by the 5.7L Gen III V8 engine layout.
• Sedan Specific Routing Geometry: Designed strictly to conform around standard VY/VZ sedan floor contours, central underbody space layouts, and rear subframe hanger anchors. It will not adapt to Utility (Ute), Station Wagon, or later generation platforms due to major structural blueprint specification variations.
• Full kit scope: Comprehensive high-efficiency performance solution from engine block to rear exit, including tuned Tri-Y headers, premium 3" high-flow metallic catalytic converters, 3" intermediate plumbing paths, and a signature double-skinned rear muffler assembly.
• Direct full bolt-up architecture interfaces seamlessly with original vehicle-specific rubber hanger brackets. No custom modification or cutting layout mapping is required.
• Professional automotive performance technician installation is highly recommended to guarantee ideal ground clearance, check steering column tolerances, verify proper pipe routing, and ensure completely gas-tight structural seals under the floor pan.

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