COMPATIBLE WITH: 2005 2006 2007 2008 2009 Audi A4 Quattro 2.0L STAINLESS STEEL 409 GRADE: Our Exhaust Part/Exhaust System Kit/Assembly is meticulously engineered from durable stainless steel, ensuring durability and resistance to corrosion, even in challenging driving conditions. OPTIMIZED EXHAUST FLOW: Designed to enhance exhaust flow, the Exhaust Part/Exhaust System Kit/Assembly minimizes back pressure, potentially improving your car's horsepower and torque. SATISFACTION GUARANTEED: We are confident in the quality of our products and offer a satisfaction guarantee. If for any reason you are not satisfied with your purchase, we offer a hassle-free return policy. WARRANTY: All items listed are 100% Brand new and come with a ONE-TIME REPLACEMENT lifetime warranty against manufacturing defects. The warranty does not cover shipping, labor, or any other charges, Damages due to shipping, installation, and incidental fees are non-refundable. Items that have been installed, and modified 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.