Wildcat Headers WILD103 – Nissan Skyline R31 3.0L RB30 1986–1990

Wildcat WILD103 extractors are designed for the Nissan Skyline R31 3.0L RB30 engine, offering a proven improvement in exhaust flow and torque delivery. Perfect for street or mild performance builds, these headers provide a smooth and balanced power curve with improved throttle response.

Key Features

• Interference design for balanced performance
• Mandrel-bent 1.50" primary, 2.00" secondary, and 2.50" outlet pipes
• Thick, precision-machined flanges for durability and sealing
• Designed for direct-fit installation
• Check availability before ordering

Construction

• Australian-made Wildcat Headers (by Genie)
• High-quality steel tubing with precision welds
• Durable heat-resistant coating for long-term reliability

Fitment Notes

• Suits Nissan Skyline R31 3.0L RB30 (1986–1990)
• Fits both manual and automatic transmission models
• Gasket: DSF059 (sold separately)

What’s Included

• Wildcat Headers SKU: WILD103 header assembly
• Flanged outlet for exhaust connection

Recommended With

• Gasket DSF059
• High-temp sealant and new mounting bolts

Performance Insight

• The 3.0L RB30 engine draws approximately 5,100 L/min of intake air and expels around 15,300 L/min of exhaust volume at 4,000 rpm — making efficient exhaust flow essential for maximum torque and mid-range performance.

Installation Tips

Lubricate all threads with WD-40 or similar for easier removal and installation. Always trial-fit before tightening and protect coated surfaces during fitting.

Customer Support

For expert advice, availability checks, or to order:

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Exhaust Systems Since 1983