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 Right To Muffler Right Exhaust Clamp for 1984 GMC K3500 6.2L V8Special Price $4.49 Regular Price $5.99
- Walker Front Pipe Right To Muffler Right Exhaust Clamp for 1989-1991 Chevrolet V2500 Suburban 6.2L V8Special Price $4.49 Regular Price $5.99
- Walker Front Pipe Right To Muffler Right Exhaust Clamp for 1984-1986 Chevrolet K20 Suburban 6.2L V8Special Price $4.49 Regular Price $5.99
- Walker Front Pipe Right To Muffler Right Exhaust Clamp for 1982-1983 Chevrolet C10 Suburban 6.2L V8Special Price $4.49 Regular Price $5.99
- Walker Resonator To Int Pipe Exhaust Pipe Flange Gasket for 1989-1992 Ford Probe 2.2L L4Special Price $5.77 Regular Price $7.99
- 2 pc Walker Front Pipe Right To Muffler Right Exhaust Clamps for 1984-1986 GMC C2500 Suburban 6.2L V8Special Price $14.21 Regular Price $19.99
- 2 pc Walker Front Pipe Right To Muffler Right Exhaust Clamps for 1989-1991 Chevrolet R2500 Suburban 6.2L V8Special Price $14.67 Regular Price $20.99
- 2 pc Walker Front Pipe Right To Muffler Right Exhaust Clamps for 1987-1991 GMC R2500 Suburban 6.2L V8Special Price $14.67 Regular Price $20.99
- 2 pc Walker Front Pipe Right To Muffler Right Exhaust Clamps for 1987-1991 GMC R1500 Suburban 6.2L V8Special Price $14.67 Regular Price $20.99
- 2 pc Walker Front Pipe Right To Muffler Right Exhaust Clamps for 1984-1986 GMC C1500 Suburban 6.2L V8Special Price $14.67 Regular Price $20.99