Stainless Works
Stainless Works 1-5/8in Headers w/ 3in H-Flow Cats — Fits 2003-11 Crown Victoria/Grand Marquis 4.6L
Stainless Works 1-5/8in Headers w/ 3in H-Flow Cats — Fits 2003-11 Crown Victoria/Grand Marquis 4.6L
Stainless Works 1-5/8in Headers w/ 3in H-Flow Cats — Fits 2003-11 Crown Victoria/Grand Marquis 4.6L
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Stainless Works 1-5/8in Headers w/ 3in H-Flow Cats — Fits 2003-11 Crown Victoria/Grand Marquis 4.6LStainless Works 1-5/8in Headers w/ 3in H-Flow Cats — Fits 2003-11 Crown Victoria/Grand Marquis 4.6LStainless Works 1-5/8in Headers w/ 3in H-Flow Cats — Fits 2003-11 Crown Victoria/Grand Marquis 4.6L
Stainless Works

Stainless Works 1-5/8in Headers w/ 3in H-Flow Cats — Fits 2003-11 Crown Victoria/Grand Marquis 4.6L

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SKU: SSWCRVIC03HCAT

About Stainless Works Stainless Works engineers high-quality automotive parts and ...Read more

Price:
$2,085.25 $2,195.00
20850 ENTRIES10X
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

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About Stainless Works

Stainless Works engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Stainless Works lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

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.

About Stainless Works

Stainless Works engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Stainless Works lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

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.

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