DOUG S HEADERS D3373 4.8-6.2L Emissions Legal Headers Instruction Manual
Learn how to install the D3373 4.8-6.2L Emissions Legal Headers with this comprehensive user manual. Perfect for 2002-2015 G.M. Pickups, Yukon, Tahoe, and Suburban. Includes instructions, product information, and warranty details. Get the most out of your headers today!