This header panel is a perfect fit for your 1998-2002 Mercury Mountaineer. It is made of durable plastic and comes in a sleek white color. The SMC brand ensures high quality and compatibility with your vehicle. This item is a must-have for anyone looking to upgrade their car or truck's exhaust and emission system. It is compatible with a variety of manifolds and headers, making it a versatile choice for any car enthusiast. Don't miss out on this opportunity to improve your vehicle's performance.