XForce XForce Header and Cat Kit - Ford Mustang GT S550 FM - H2-FM15KIT

Unleash the full potential of your Ford Mustang GT S550 with the Xforce Header Kit. This precision-engineered 4-1 design features large 1-7/8" primary pipes that significantly reduce backpressure and improve exhaust scavenging for massive power and torque gains. Note: This kit only bolts directly to Xforce cat-back systems and requires an ECU tune and PEX4178 loom extensions for installation.

What's in the Box?

• 1x 1-7/8" Tuned-length Headers (Pair)
• 2x 3" 200-Cell High-Flow Metallic Catalytic Converters
• All Necessary Installation Gaskets & Bolts

Features:

This product offers the following high-performance features:

    
• Tuned Length Primaries: 1-7/8" (47mm) primary pipes optimized for maximum exhaust flow and V8 performance.
    
• High-Flow Metallic Cats: Dual 3" 200-cell metallic converters ensure unrestricted airflow while maintaining essential emissions functionality.
    
• 409 Stainless Steel: Constructed from non-polished 409-grade stainless steel for high-heat durability and long-term reliability.

Specifications:

Important Information

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