Doug's Headers 304 Stainless Steel Long Tube Headers

The Doug's Headers D453 represents a premium exhaust upgrade for Mopar A-Engine vehicles, specifically designed for 273-360 cubic inch LA-series engines. These long tube headers are meticulously crafted from durable 304 stainless steel, ensuring excellent resistance to rust and corrosion. The 1-5/8 inch primary tubes are precision mandrel-bent to optimize exhaust flow and ensure an accurate fit. The headers feature robust 3/8 inch thick machined flanges designed to prevent warping under extreme heat, and a 3-inch collector with included 2.500 inch exit reducers. Doug's Headers are renowned for providing significant increases in horsepower and torque across the entire RPM spectrum. This set includes all necessary mounting hardware, premium gaskets, and detailed installation instructions to facilitate a smooth installation process.