SKU: 19544147048

Pacemaker 2.5" Exhaust System with 1 3/4" Headers for HSV VT VX VY S1 5.7L V8 Sedan 1999–2003 - PP5361-17

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Description

Pacemaker 2.5" Exhaust System with 1 3/4" Headers for HSV VT VX VY S1 5.7L V8 Sedan 1999–2003 - PP5361-17Pacemaker 2. 5" Full Performance Exhaust System with 1 3 4" Tuned Headers for HSV VT, VX & VY Series 1 Sedan (5. 7L V8) PP5361 17 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 for the early HSV VT, VX, and VY Series 1 Sedan platforms, this heavy breathing configuration handles high output

Pacemaker 2.5" Full Performance Exhaust System with 1 3/4" Tuned Headers for HSV VT, VX & VY Series 1 Sedan (5.7L V8) - PP5361-17

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 for the early HSV VT, VX, and VY Series 1 Sedan platforms, this heavy-breathing configuration handles high-output applications seamlessly. Featuring 1 3/4" primary tuned headers paired with a balanced twin 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 HSV VT, VX, and VY Series 1 Sedan models (1999–2003) 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 high-performance HSV sedan platform.

  • Complete Tuned Kit: Comprehensive setup incorporating primary tuned headers, high-flow cats, and a full 2.5" performance exhaust line.
  • 1 3/4" Tuned Headers: Proven primary tube design engineered to optimize mid-to-high end power potential and 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 cleanly to a high-velocity 2.5" path.
Product Specifications for PP5361-17
Brand Pacemaker Sport Systems Part # / SKU PP5361-17
Product Type Headers & Full Exhaust System Primary Header Size 1 3/4" (44.5mm) Tuned Primaries
Material 409 Grade Stainless Steel Piping Size 2.5" (63.5mm) System
Engine Compatibility 5.7L LS1 V8 Body Configuration Sedan Only

Important Fitment Notes:

  • Specifically engineered to fit HSV VT, VX, and VY Series 1 Sedan models powered by the 5.7L LS1 engine (1999–2003).
  • Full kit scope: Includes 1 3/4" 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:

Make Model From To Body Series Engine Variant Drivetrain
HSV
HSV Clubsport / GTS / Senator 1999 2003 Sedan Only VT / VX / VY Series 1 5.7L LS1 V8 V8 Models RWD
Warranty Information
Product Warranty Period
Pacemaker Sports Exhaust Systems Five (5) years.

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Exchange/Return Notes
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SKU: 19544147048

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Edmond Ilunga Kaninda
Cuba, US
★★★★★ 5
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Size: 5 Quarts, Size: 5 Quarts
This is the best oil that I ever used.I have used it in my Toyota Noah 2006-2007 model…The engine is as quiet as new…wanted to see how it would perform.It has clocked 3,500km.This is good and have recommended to my friends and family
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Reviewed in the United States on May 23, 2026
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Dawn S.
Los Angeles, US
★★★★★ 5
Top-tier engine protection that runs quiet and smooth
Size: 5 Quarts
I’ve used Castrol EDGE in a couple of our vehicles and always come back to it for consistent performance. It extends the time between oil changes and holds up well under both daily driving and highway mileage. We don't "extend the time" though. It's changed, on the dot, every time. The consistency and quality of the oil's condition at change, though, is easily able to be seen that it would go for much longer. Engine runs quieter, and I’ve noticed better fuel efficiency over time compared to conventional oil. Whether that's how attentively I drive and watch the mileage meter on the dash or the oil - is up for debate ;) It doesn’t burn off as quickly either, which is great if you’re keeping an eye on long-term engine health. The bottle design pours cleanly with a smart spout, which saves unnecessary messes in the garage. Pros: Strong wear protection and long-lasting Improves engine quietness Easy-pour design Tip: Use it with a high-quality oil filter for maximum benefit don’t skimp on either part and you'll be golden.
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Reviewed in the United States on June 26, 2025
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Eric C.
Pawtucket, US
★★★★★ 5
Excellent choice for long oil change intervals.
Size: 1 Quart, Pack of 6
I'm a former dealership mechanic and for years I used whatever we had in the bulk tank which was usually Valvoline conventional. My last job was at a German car dealership. Castrol was the oil recommended by the German manufacturers and that's when I started using Castrol. In my experience Castrol is an excellent oil. My 2014 Ford just rolled over 242,000 miles and even with factory 10,000 mile oil change intervals, from what I can see through the oil fill the top end of the engine is still clean. I've never had to remove the valve cover. It's using about a quart between oil 10,000 mile oil changes which is great because when it was new it used about a 1/2 quart between changes.
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Reviewed in the United States on January 28, 2026
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Doraiky
Dallas, US
★★★★★ 5
Bueno
Size: 5 Quarts
Bueno
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Belleville, US
★★★★★ 5
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always used Mobil 1, my 2003 accord v6 always burned a little bit of oil, switched to this and it barely burns any at all now. will continue to use this from now on.
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