COMPATIBLE WITH: 2003 2004 2005 2006 2007 2008 2009 2010 2011 Mercury Crown Victoria 4.6L STAINLESS STEEL 409 GRADE: Our catalytic is EPA-approved is meticulously engineered from durable stainless steel, ensuring durability and resistance to corrosion, even in challenging driving conditions. EPA-APPROVED CATALYTIC: This catalytic is EPA-approved, ensuring compliance with federal emissions standards for clean and efficient vehicle performance. IMPROVED ENGINE EFFICIENCY: Enhances exhaust flow and reduces harmful emissions, improving overall engine performance. Optimizes exhaust system performance to improve fuel efficiency. Effectively reduces carbon monoxide (CO), hydrocarbons (HC), and nitrogen oxides (NOx), minimizing your vehicle's environmental impact. WARRANTY: All items listed are Brand New and come with warranty against defects! The warranty does not cover shipping, labor, or any other related charges. Damages due to shipping, installation, and incidental fees are non-refundable. Items that have been installed and altered are non-returnable. Experience superior durability and performance with our 409 stainless steel exhaust parts, expertly crafted for strength and long-lasting reliability. Made from high-quality 409 stainless steel, these components are built to resist rust and corrosion, ensuring dependable performance even in the harshest environmental conditions. The smooth, non-restrictive surface of 409 stainless steel enhances exhaust flow, which improves engine efficiency, increases horsepower, and boosts overall performance, all while effectively withstanding high temperatures and vibrations. Designed for easy installation without the need for welding, these exhaust parts offer a hassle-free upgrade for your vehicle, making them perfect for both professionals and DIY enthusiasts. Whether you’re replacing damaged components or enhancing your exhaust system, our 409 stainless steel parts provide a robust solution that ensures optimal exhaust flow and long-term durability. Choose Northeastern Exhaust for premium quality and performance—invest in our stainless steel exhaust system for an upgrade that delivers lasting value, improved engine performance, and a high-performance driving experience.