Pacemaker 2.5" Exhaust System with 1 7/8" Headers for Holden VY S2 VZ V8 Wagon 2003–2006 - PP5363-35

Pacemaker 2.5" Full Performance Exhaust System with 1 7/8" Tuned Headers for Holden VY Series 2 & VZ Wagon (5.7L V8) - PP5363-35

Unlock massive horsepower gains and unleash the deep, uncompromised muscle roar of your 5.7L LS1 engine with the Pacemaker Sport Systems complete 2.5" performance exhaust solution. Specifically engineered to clear the distinct floor pan and rear bumper geometry of the Holden VY Series 2 and VZ Station Wagon platforms, this heavy-breathing configuration handles high-output applications seamlessly. Featuring large-diameter 1 7/8" primary tuned headers paired with a massive 2.5" mandrel-bent layout, it delivers maximum exhaust gas velocity making it the ultimate match for cammed, modified, or high-scavenging 5.7L builds. As Australia’s premium exhaust innovator, Pacemaker integrates elite acoustic engineering with patented V-Tex technology and double-skinned mufflers to offer an aggressive exterior rumble while completely counteracting intrusive cabin drone. Note: Fits Holden VY Series 2 and VZ Wagon models (2003–2006) equipped with the 5.7L LS1 V8 engine.

Features:

Precision-manufactured in Australia to deliver the absolute peak in flow efficiency, scavenging performance, and refined depth of sound for the long-roof Commodore platform.

• Complete Tuned Kit: Comprehensive setup incorporating large primary tuned headers, high-flow cats, and a full 2.5" exhaust line.
• 1 7/8" Tuned Headers: Upgraded large-tube design engineered to optimize top-end power potential and high-RPM volumetric efficiency.
• Premium Materials: Constructed completely from durable Exhaust Grade 409 Stainless Steel for superior longevity under high thermal stress.
• V-Tex Technology: Advanced internal anti-drone configuration filters out harsh cabin boom frequencies while retaining deep exterior exhaust notes.
• Signature Mufflers: Double-skinned 409 Stainless Steel mufflers offer superior casing strength and refined tonal control.
• Hi-Flow Cats: Supplied with 3" premium high-flow metallic catalytic converters transitioning to a high-velocity 2.5" path.

Important Fitment Notes:

• Specifically engineered to fit Holden VY Series 2 and VZ Station Wagon platforms powered by the 5.7L LS1 engine (2003–2006).
• Wagon Specific Floorpan: This configuration features tailor-formed exhaust pipe lengths, resonators, and bends designed precisely to mount cleanly under the wagon layout and will not adapt correctly to Sedans or Utes.
• Full kit scope: Includes 1 7/8" Tuned Performance Extractors, 3" High-Flow Metallic Catalytic Converters, and a complete 2.5" Performance Cat-Back assembly with signature double-skinned mufflers.
• Direct bolt-on design reuses vehicle-specific factory hanger positions.
• Professional automotive performance technician installation is highly recommended to guarantee ideal ground clearance and tight seals.

Vehicle Applications:

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