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The Ultimate Magnaflow 03-11 Ford Crown Victoria 4.6l Direct Fit Converter (551057) Up To 50% Off [OouN8L0i]

$49.99 $159.99 -69%

Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 551057. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to elim

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The Ultimate Magnaflow 03-11 Ford Crown Victoria 4.6l Direct Fit Converter (551057) Up To 50% Off [OouN8L0i]

Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 551057. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel construction to resist corrosion you can have confidence in the quality of this catalytic converter. Using state-of-the-art 3D scanning systems in the design process the MagnaFlow metrology department ensures this new part to fit and function like the original equipment. This direct-fit catalytic converter is designed to fit the 2003-2011 Ford Crown Victoria 2009-2011 Mercury Grand Marquis and additional vehicles. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. This replacement part is designed to meet or exceed California Air Resource Board requirements and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states for the listed vehicles.

Features

  • Your trusted source for CARB-compliant catalytic converters providing assurance of genuine compliance while delivering quality that will last
  • Mandrel bent tubing retains OEM-like design and geometry ensuring smooth exhaust flow for peak fuel economy and engine operation
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
  • Expertly crafted to replicate OEM-like flow dynamics maintaining factory performance and fuel efficiency
  • Simplifies installation with essential gaskets and hardware being included in the box
  • Durable 308 stainless steel MIG welds

What Our Customers Say

January 23, 2026

Absolutely no complaints!

This is a product that is of great quality and performance.

- Kai F..

January 23, 2026

Absolutely no complaints!

It's a very well-made and reliable product line.

- Haisley N..

January 23, 2026

Absolutely no complaints!

A truly remarkable piece of engineering.

- Henry S..

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