EASIER TO INSTALL -- Featuring slotted bolt holes (where applicable) for easy installation, gasket slips into place BETTER TOGETHER -- Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade COMPATIBILITY – Fits 2001-2001 Ford Explorer Sport; 2002-2002 Ford Explorer Sport; 2003-2003 Ford Explorer Sport; 2001-2001 Ford Explorer Sport Trac; 2002-2002 Ford Explorer Sport Trac; 2003-2003 Ford Explorer Sport Trac; 2004-2004 Ford Explorer Sport Tra AVAILABLE IN DIFFERENT SIZES -- Offered in a variety of styles and sizesfora quality vehicle repair Truck Walker Exhaust 31637 Exhaust Pipe Flange Gasket Fits select: 2001-2006 FORD RANGER, 2000-2003 FORD EXPLORER: Car Walker Exhaust 31668 Exhaust Pipe Flange Gasket Fits select: 1996-2000 CHEVROLET GMT-400, 1996-1999 CHEVROLET SUBURBAN: Car Walker Exhau Exhaust Gaskets Exhaust Pipe Flange Gasket By WALKER USA - 31637 Size Chart DEFLECTS HEAT -- Designed to deflect heat for long-lasting performance ENGINEERING EXPERTISE -- Parts are reviewed and validated and approved by Walker engineers through rigorous research and development Available in a variety of styles and sizes, they’re designed to work with OE exhaust components and Walker aftermarket replacement parts.