Pacemaker 2.5" Exhaust System with 1 3/4" Headers for Holden VT VX VY S1 5.7L V8 Sedan 1999–2003 - PP5361-08 (Rear Pipe Only Variant)

Pacemaker 2.5" Performance Exhaust System with 1 3/4" Tuned Headers & Rear Pipe Only for Holden VT, VX & VY Series 1 Sedan (5.7L V8) - PP5361-08

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 VT, VX, and VY Series 1 Sedan platforms, this high-flow setup replaces the standard rear tail muffler assembly with an unrestricted, straight-through "Rear Pipe Only" section. Featuring 1 3/4" primary tuned headers paired with a balanced twin 2.5" mandrel-bent line, it delivers maximum exhaust gas velocity while providing an unfiltered racetrack bark. It is the ultimate match for cammed, modified, or high-scavenging 5.7L builds that demand peak track-day performance and an intense sound profile. Note: Fits Holden 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, heavy-duty scavenging, and raw acoustic output for the VT-VY Commodore sedan platform.

• Complete Headers Setup: Total kit featuring 1 3/4" 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 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.
• Mandrel Bent Tubing: Heavy-duty twin 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.

Important Fitment Notes:

• Specifically engineered to fit Holden 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" 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:

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