{"product_id":"stainless-works-2003-2011-crown-victoria-grand-marquis-4-6l-v8-headers-with-1-5-8-primaries-and-3-slip-fit-collectors","title":"Stainless Works 2003-2011 Crown Victoria \u0026 Grand Marquis 4.6L V8 Headers with 1-5\/8\" Primaries and 3\" Slip-Fit Collectors","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003eUpgrade your 2003-2011 Ford Crown Victoria or Mercury Grand Marquis with Stainless Works high-performance headers designed for optimal exhaust flow and durability. Crafted from premium stainless steel, these headers feature 1-5\/8\" primary tubes that promote better exhaust scavenging and power gains. The 3\" slip-fit collectors facilitate easy installation and ensure a secure connection to your existing exhaust system. These headers are TIG welded for superior strength and precision, offering a reliable performance upgrade. Built specifically to fit the factory connection points, they include necessary O2 sensor extensions and clamps for a seamless installation process. Suitable for street and performance applications, these headers are not CARB-approved but have been tested for EPA compliance. They are ideal for enthusiasts seeking enhanced horsepower and torque in their Crown Victoria or Grand Marquis without sacrificing durability or quality. Designed for a straightforward bolt-on installation, these headers are a valuable addition for those looking to improve their vehicle’s exhaust efficiency and sound without extensive modifications.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eConstructed from high-quality stainless steel for corrosion resistance and longevity\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003e1-5\/8\" primaries designed to improve exhaust flow and engine performance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003e3\" slip-fit collectors for easy installation and secure fit\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncludes necessary O2 sensor extensions and clamps for compatibility\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eTIG welded for enhanced strength and precision manufacturing\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDesigned to fit factory connection points for a hassle-free upgrade\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSuitable for 2003-2011 Ford Crown Victoria and Mercury Grand Marquis 4.6L V8 engines\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eNot CARB-approved but tested for EPA compliance\u003c\/li\u003e\u003c\/ul\u003e\n\n\u003cp\u003eFitment:\n\u003cbr\u003e2003 Ford Crown Victoria Base\n\u003cbr\u003e2003 Ford Crown Victoria LWB\n\u003cbr\u003e2003 Ford Crown Victoria LX\n\u003cbr\u003e2003 Ford Crown Victoria Police Interceptor\n\u003cbr\u003e2003 Ford Crown Victoria S\n\u003cbr\u003e2003 Mercury Grand Marquis GS\n\u003cbr\u003e2003 Mercury Grand Marquis LS\n\u003cbr\u003e2003 Mercury Grand Marquis LSE\n\u003cbr\u003e2004 Ford Crown Victoria Base\n\u003cbr\u003e2004 Ford Crown Victoria LX\n\u003cbr\u003e2004 Ford Crown Victoria LX Sport\n\u003cbr\u003e2004 Ford Crown Victoria Police Interceptor\n\u003cbr\u003e2004 Mercury Grand Marquis GS\n\u003cbr\u003e2004 Mercury Grand Marquis LS\n\u003cbr\u003e2005 Ford Crown Victoria Base\n\u003cbr\u003e2005 Ford Crown Victoria LX\n\u003cbr\u003e2005 Ford Crown Victoria LX Sport\n\u003cbr\u003e2005 Ford Crown Victoria Police Interceptor\n\u003cbr\u003e2005 Ford Crown Victoria S\n\u003cbr\u003e2005 Ford Crown Victoria Special Edition\n\u003cbr\u003e2005 Mercury Grand Marquis GS\n\u003cbr\u003e2005 Mercury Grand Marquis GSL\n\u003cbr\u003e2005 Mercury Grand Marquis Limited Edition\n\u003cbr\u003e2005 Mercury Grand Marquis LS\n\u003cbr\u003e2005 Mercury Grand Marquis Ultimate Edition\n\u003cbr\u003e2006 Ford Crown Victoria Base\n\u003cbr\u003e2006 Ford Crown Victoria LX\n\u003cbr\u003e2006 Ford Crown Victoria LX Sport\n\u003cbr\u003e2006 Ford Crown Victoria Police Interceptor\n\u003cbr\u003e2006 Mercury Grand Marquis GS\n\u003cbr\u003e2006 Mercury Grand Marquis LS\n\u003cbr\u003e2007 Ford Crown Victoria Base\n\u003cbr\u003e2007 Ford Crown Victoria LX\n\u003cbr\u003e2007 Ford Crown Victoria Police Interceptor\n\u003cbr\u003e2007 Mercury Grand Marquis GS\n\u003cbr\u003e2007 Mercury Grand Marquis LS\n\u003cbr\u003e2008 Ford Crown Victoria Base\n\u003cbr\u003e2008 Ford Crown Victoria LX\n\u003cbr\u003e2008 Ford Crown Victoria Police Interceptor\n\u003cbr\u003e2008 Mercury Grand Marquis GS\n\u003cbr\u003e2008 Mercury Grand Marquis LS\n\u003cbr\u003e2009 Ford Crown Victoria LX\n\u003cbr\u003e2009 Ford Crown Victoria Police Interceptor\n\u003cbr\u003e2009 Mercury Grand Marquis LS\n\u003cbr\u003e2010 Ford Crown Victoria Base\n\u003cbr\u003e2010 Ford Crown Victoria LX\n\u003cbr\u003e2010 Ford Crown Victoria Police Interceptor\n\u003cbr\u003e2010 Mercury Grand Marquis LS\n\u003cbr\u003e2011 Ford Crown Victoria Base\n\u003cbr\u003e2011 Ford Crown Victoria LX\n\u003cbr\u003e2011 Ford Crown Victoria Police Interceptor\n\u003cbr\u003e2011 Mercury Grand Marquis LS\u003c\/p\u003e","brand":"Stainless Works","offers":[{"title":"Default Title","offer_id":45930705354951,"sku":"sswCRVIC03HCAT","price":2085.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/bb5a0229be391ded9663545defbc0202.jpg?v=1765223499","url":"https:\/\/mainstreeteshop.com\/products\/stainless-works-2003-2011-crown-victoria-grand-marquis-4-6l-v8-headers-with-1-5-8-primaries-and-3-slip-fit-collectors","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}