REDBACK | 2.5" Performance Engine Back Exhaust System | Holden Commodore Calais VP VR VS Sedan IRS Manual 1991 1994| K-RPM14636

Redback 2.5" Complete Engine Back Performance Exhaust System - K-RPM14636

The Redback K-RPM14636 is a high-performance 2.5" (63mm) engine-back exhaust system engineered for Holden Commodore, Calais, Statesman, and Caprice models (1990–1999). This system is specifically designed for V8 Manual transmission models equipped with Independent Rear Suspension (IRS).

Providing a complete flow solution from the engine to the rear outlet, this kit includes performance Tri-Y headers and a high-flow catalytic converter. It is the ideal upgrade for owners looking to improve exhaust scavenging, increase horsepower, and achieve a deep, sporty V8 tone without excessive drone, thanks to the dual-muffler design.

Key Features:

• Full Engine-Back Configuration: Includes Tri-Y headers, catalytic converter, centre muffler, and rear muffler.
• IRS Specific Design: Engineered to clear the Independent Rear Suspension assembly on VP, VR, and VS sedans.
• Tri-Y Performance Headers: Designed for optimal torque and power gains (Primary: 41mm | Secondary: 45mm).
• Mandrel Bent Tubing: 2.5" (63mm) pipework ensures maximum exhaust velocity and reduced backpressure.
• Premium Coating: Finished in premium heat-proof paint for enhanced thermal protection and durability.
• Single Rear Outlet: Provides a classic performance look with a refined exhaust note.
• Standard Fitment: Compatible with both Power Steering and Air Conditioning.

Product Specifications:

• Part Number: K-RPM14636
• System Layout: Engine Back System (with Cat)
• Tube Size: 63mm (2 1/2")
• Header Specs: Tri-Y (Primary: 41mm | Secondary: 45mm | Outlet: 63mm)
• Transmission: Suits Manual Models
• Rear Suspension: Suits Independent Rear Suspension (IRS) Only
• Estimated Fitting Time: 240 Minutes

Important Information

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