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Maximize Your 4.6L's Performance with Stainless Works Headers

Unlock significant horsepower and torque gains for your 2003-2011 Ford Crown Victoria or Mercury Grand Marquis 4.6L 2V engine with these high-performance headers from Stainless Works. Featuring 1-5/8-inch primary tubes and 3-inch slip-fit collectors, these headers are meticulously TIG-welded from premium 304 stainless steel for exceptional durability and corrosion resistance. The integrated 3-inch High-Flow catalytic converters are designed to enhance exhaust flow while maintaining emissions compliance, ensuring a balance of performance and legality.

Engineered for Power and Precision:

• Optimized Primary Size: 1-5/8" primaries are ideal for the 4.6L 2V engine's torque and horsepower characteristics.
• High-Flow Catalytic Converters: 3" diameter cats reduce backpressure, improving exhaust flow and engine efficiency.
• Premium Construction: Crafted from 304 stainless steel with robust 3/8" thick flanges for longevity.
• Direct Factory Fitment: Designed to connect seamlessly to the factory exhaust system's flanged connection point.
• USA Made Quality: Proudly manufactured in the USA, ensuring top-tier craftsmanship and materials.
• Includes Accessories: Comes with necessary O2 extensions and clamps for a complete installation.

These headers are engineered to deliver a noticeable improvement in throttle response, acceleration, and overall power output. They are the perfect foundation for a performance exhaust build or a standalone upgrade. Experience the aggressive sound and thrilling performance that only Stainless Works headers can provide. Invest in quality and performance for your Crown Victoria or Grand Marquis.

Vehicle Fitment:

• 2003-2008, 2010-2011 Ford Crown Victoria (Base, LX, LX Sport, Police Interceptor, S, Special Edition)
• 2003 Ford Crown Victoria (LWB)
• 2003-2011 Mercury Grand Marquis (GS, GSL, Limited Edition, LS, LSE)

Upgrade your exhaust system with confidence from Stainless Works.