Emission controls in older carbureted engines relied on forcing additional air from pumps and valves located just before the exhaust manifold to ensure better burns. This is known as a secondary air injection system, and today has evolved to increase the efficiency of Catalytic Converters. Failed pumps and leaks are common signs of a bad Air Injection System, leading to off air and fuel ratios and poor acceleration. Remember to check the Manifold Gaskets and Seals for wear and tear when examining the exhaust.
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- Walker Front Pipe Left To Int Exhaust Clamp for 1987-1991 GMC R2500 Suburban 6.2L V8Special Price $3.99 Regular Price $5.99
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- Walker Front Pipe Left To Int Exhaust Clamp for 1984-1986 Chevrolet C10 Suburban 6.2L V8Special Price $3.99 Regular Price $5.99
- Walker Front Pipe Left To Int Exhaust Clamp for 1987-1988 Chevrolet R10 Suburban 6.2L V8Special Price $3.99 Regular Price $5.99
- Walker Front Pipe Left To Int Exhaust Clamp for 1989-1991 Chevrolet V1500 Suburban 6.2L V8Special Price $3.99 Regular Price $5.99
- Walker Front Pipe Left To Int Exhaust Clamp for 1987-1988 Chevrolet V10 Suburban 6.2L V8Special Price $3.99 Regular Price $5.99
- Walker Front Pipe Left To Int Exhaust Clamp for 1984-1986 GMC C1500 Suburban 6.2L V8Special Price $4.25 Regular Price $5.99
- Walker Front Pipe Left To Int Exhaust Clamp for 1987-1991 GMC V1500 Suburban 6.2L V8Special Price $4.25 Regular Price $5.99
- Walker Front Pipe Left To Int Exhaust Clamp for 1989-1991 Chevrolet R1500 Suburban 6.2L V8Special Price $4.25 Regular Price $5.99
- Walker Front Pipe Left To Int Exhaust Clamp for 1989-1991 Chevrolet R2500 Suburban 6.2L V8Special Price $4.25 Regular Price $5.99
- Walker Y-Pipe To Left Muffler Assm Exhaust Pipe Flange Gasket for 2006-2008 Kia Optima 2.7L V6Special Price $5.49 Regular Price $7.99
- Walker Y-Pipe To Left Muffler Assm Exhaust Pipe Flange Gasket for 2004-2008 Acura TSX 2.4L L4Special Price $5.49 Regular Price $7.99
- Walker Y-Pipe To Left Muffler Assm Exhaust Pipe Flange Gasket for 2011-2016 Kia Optima 2.0L 2.4L L4Special Price $5.92 Regular Price $7.99