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Description
Pacemaker 2.5" Exhaust System with 1 7/8" Headers for Holden VY S2 VZ 5.7L V8 Sedan 2003–2006 - PP5363-05 (Rear Pipe Only Variant)Pacemaker 2. 5" Performance Exhaust System with 1 7 8" Tuned Headers & Rear Pipe Only for Holden VY Series 2 & VZ Sedan (5. 7L V8) Unlock major horsepower gains and unleash an ultra aggressive muscle roar from your 5. 7L LS1 engine with the Pacemaker Sport Systems complete performance exhaust solution. Specifically engineered for the Holden VY Series 2 and VZ Sedan platforms, this heavy breathing configuration replaces the standard rear tail muffler
Pacemaker 2.5" Performance Exhaust System with 1 7/8" Tuned Headers & Rear Pipe Only for Holden VY Series 2 & VZ Sedan (5.7L V8)
Unlock major horsepower gains and unleash an ultra-aggressive muscle roar from your 5.7L LS1 engine with the Pacemaker Sport Systems complete performance exhaust solution. Specifically engineered for the Holden VY Series 2 and VZ Sedan platforms, this heavy-breathing configuration replaces the standard rear tail muffler assembly with a high-volume "Rear Pipe Only" section. Featuring large-diameter 1 7/8" primary tuned headers paired with a smooth 2.5" mandrel-bent line, it delivers maximum exhaust gas velocity while providing an unrestricted racetrack bark. It is the ultimate match for cammed, modified, or high-scavenging 5.7L builds that demand peak performance and an intense sound profile. Note: Fits Holden VY Series 2 and VZ Sedan models (2003–2006) equipped with the 5.7L LS1 V8 engine.
Features:
Precision-manufactured in Australia to deliver the absolute peak in flow efficiency, heavy-duty scavenging, and raw acoustic output for the high-performance Commodore sedan platform.
- Complete Headers Setup: Total kit featuring large primary tuned headers, 3" hi-flow cats, and active piping sections.
- Rear Pipe Configuration: Built with a straight-through rear pipe replacing the standard tail muffler for maximum exhaust bark and unrestricted flow potential.
- 1 7/8" Tuned Headers: Upgraded large-tube extractor layout 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.
- Mandrel Bent Tubing: Heavy-duty 2.5" (63.5mm) pipe structure ensures a smooth, constant internal diameter to prevent backpressure.
- Hi-Flow Cats: Supplied with 3" premium high-flow metallic catalytic converters transitioning cleanly to a high-velocity 2.5" path.
| Product Specifications | |||
|---|---|---|---|
| Brand | Pacemaker Sport Systems | Product Type | Headers & Performance Exhaust |
| Primary Header Size | 1 7/8" (47.6mm) Tuned Primaries | Piping Size | 2.5" (63.5mm) System |
| Material | 409 Grade Stainless Steel | System Exit Configuration | Rear Pipe Only (No Rear Muffler) |
| Engine Compatibility | 5.7L LS1 V8 | Body Configuration | Sedan Only |
Important Fitment Notes:
- Specifically engineered to fit Holden VY Series 2 and VZ Sedan models powered by the 5.7L LS1 engine (2003–2006).
- Full kit scope: Includes 1 7/8" Tuned Performance Extractors, 3" High-Flow Metallic Catalytic Converters, and a complete 2.5" exhaust system featuring a straight-through rear section with a rear pipe only.
- The "Rear Pipe Only" deletion of the rear resonator creates a significantly louder, unfiltered acoustic profile compared to traditional full-muffler configurations.
- 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:
| Make | Model | From | To | Body | Series | Engine | Variant | Drivetrain |
|---|---|---|---|---|---|---|---|---|
| HOLDEN | ||||||||
| Holden | Commodore / Calais | 2003 | 2006 | Sedan Only | VY S2 / VZ | 5.7L LS1 V8 | SS / Executive / V8 Models | RWD |
| Product | Warranty Period |
|---|---|
| Pacemaker Sports Exhaust Systems | Five (5) years. |
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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