pacemaker-3-inch-exhaust-tri-y-headers-holden-vt-vx-vy-v8-wagon

Pacemaker Full 3" Performance Exhaust System with Tri-Y Headers & Hi-Flow Cats for Holden Commodore VT, VX & VY Series 1 Wagon (5.7L Gen III V8) - Rear Pipe Only Layout - PP5367-80

Unleash devastating low-to-mid range torque, optimize scavenging velocity tracking, and extract a raw, track-inspired muscle car bark 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 iconic Holden Gen III 5.7L V8 architecture (LS1 powerplants), this premium package pairs race-bred performance hardware with an aggressive, straight-through rear section design. Custom-molded specifically to match the station wagon floor pan paths, clear traditional long-body undercarriage structures, and adapt around live-axle or independent rear suspension layouts, it completely eliminates power-robbing backpressure under wide-open throttle transitions. This track-biased version features a specialized 'Rear Pipe Only' layout configuration that deletes standard rear restrictive mufflers, completely opening up your vehicle's external sound fields. As Australia’s premium exhaust innovator, Pacemaker combines this heavy-hitting flow with 3" metallic high-flow catalytic converters and heavy-duty Tri-Y primary runs, generating an uncompromising acoustic statement when accelerating while ensuring straightforward, direct bolt-up compatibility underneath your performance station wagon platform.

Note: Fits Holden Commodore VT, VX, and VY Series 1 Station Wagon variants equipped with the 5.7L Gen III V8 engine layout; does not fit Sedan, Utility (Ute), or later generation VE/VF Sportwagon 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 raw, track-biased performance acoustic profile.

• Complete Performance Kit: Comprehensive track performance upgrade incorporating premium tuned Tri-Y headers, 3" high-flow metallic catalytic converters, and a matching full 3-inch performance intermediate-to-rear layout path.
• 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 wagon chassis acceleration tracking.
• Rear Pipe Only Configuration: Stripped-back straight tailpipe construction deletes the rear mufflers to maximize volumetric gas velocity while establishing an exceptionally loud, crisp, uncompromised V8 acoustic bark.
• 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.
• 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 VT, VX, and VY Series 1 Station Wagon configurations powered by the 5.7L Gen III V8 engine block layout.
• Wagon Specific Routing Geometry: Designed strictly to conform around traditional long-body wagon lines, under-floor cavity sections, and specific rear subframe hanger anchors. It will not adapt to Sedan, Utility (Ute), One Tonner, or later generation VE/VF Sportwagon platforms due to major structural blueprint layout variations.
• Acoustic Profile Note: This specialized setup features a straight-through rear pipe configuration with no rear acoustic muffler boxes. It will generate an exceptionally aggressive, highly pronounced V8 racing tone that is significantly louder than muffled sports applications.
• 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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