pacemaker-2-1-2-inch-exhaust-tri-y-headers-holden-vy-s2-vz-5-7l-v8-wagon

Pacemaker Full 2.5" Performance Exhaust System with Tri-Y Headers & Hi-Flow Cats for Holden VY Series 2 & VZ Station Wagon (5.7L Gen III V8) - PP5367-35

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 2.5-inch performance exhaust solution featuring high-efficiency Tri-Y tuned extractors. Specifically configured to maximize power curves on Holden 5.7L Gen III V8 station wagon architectures, this premium package pairs race-bred performance hardware with a fully muffled intermediate and rear system. Custom-molded specifically to match the station wagon floor pan lines, clear elongated family wheelbase structures, and map perfectly around vehicle-specific rear cargo floor structures, 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 station wagon body resonance to preserve a completely clean, drone-free cruising experience.

Note: Fits Holden VY Series 2 and VZ Station Wagon variants built from August 2003 onwards equipped with the 5.7L Gen III V8 engine layout; does not fit Sedan, Utility (Ute), One Tonner, 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 high-flow upgrade, exceptional structural longevity under intense heat, and a refined performance acoustic profile for the classic long-wheelbase wagon layout.

• 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 2.5-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 heavy family wagon chassis acceleration tracking.
• Wagon Specific Clearance: Custom-tailored plumbing path configured to route cleanly beneath elongated wagon floor contours, deep rear cargo bays, and vehicle-specific station wagon chassis lines.
• Premium Materials: Constructed completely from durable, heavy-gauge Exhaust Grade 409 Stainless Steel to ensure superior structural longevity and resistance to thermal fatigue.
• High-Flow Mandrel Bent Tubing: Rigid full 2.5" (63.5mm) 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 open wagon body structures 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 Station Wagon configurations powered by the 5.7L Gen III V8 engine layout.
• Wagon Specific Routing Geometry: Designed strictly to conform around traditional VY/VZ wagon floor pan paths, rear floor load areas, and specific rear chassis hanger anchors. It will not adapt to Sedan, Utility (Ute), One Tonner, or later generation VE/VF wagon platforms due to major structural blueprint layout and length differences.
• 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, 2.5" 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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