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.
Filter By Part Details
- Walker Converter Inlet Left Exhaust Pipe Flange Gasket for 2007-2017 Toyota Tundra 4.0L 4.6L 4.7L 5.7L V6 V8Special Price $6.32 Regular Price $8.99
- Walker Converter Inlet Left Exhaust Pipe Flange Gasket for 1996 Nissan 300ZX 3.0L V6Special Price $3.31 Regular Price $4.99
- Walker Converter Inlet Left Exhaust Pipe Flange Gasket for 2000-2006 Toyota Tundra 4.7L V8Special Price $3.35 Regular Price $4.99
- Walker Converter Front To Int Pipe Exhaust Pipe Flange Gasket for 2007-2010 Lincoln MKX 3.5L V6Special Price $6.21 Regular Price $8.99
- Walker Converter Inlet Left Exhaust Pipe Flange Gasket for 2004-2006 Chevrolet Malibu 3.5L V6Special Price $6.52 Regular Price $8.99
- Walker Converter Front To Int Pipe Exhaust Clamp for 1988-1989 GMC K3500 5.7L 7.4L V8Special Price $7.12 Regular Price $9.99
- Walker Converter Front To Int Pipe Exhaust Clamp for 1989 Chevrolet V3500 5.7L 7.4L V8Special Price $7.12 Regular Price $9.99
- Walker Converter Front To Int Pipe Exhaust Clamp for 1988-1989 Chevrolet K3500 5.7L 7.4L V8Special Price $7.12 Regular Price $9.99
- Walker Converter Front To Int Pipe Exhaust Clamp for 1987-1988 Chevrolet R30 5.7L 7.4L V8Special Price $7.12 Regular Price $9.99
- Walker Converter Front To Int Pipe Exhaust Clamp for 1987-1988 Chevrolet V30 5.7L 7.4L V8Special Price $7.44 Regular Price $10.99
- Walker Converter Front To Int Pipe Exhaust Clamp for 1987-1988 Chevrolet P30 5.7L V8Special Price $7.44 Regular Price $10.99
- Walker Converter Front To Int Pipe Exhaust Clamp for 1989 Chevrolet R3500 5.7L 7.4L V8Special Price $7.44 Regular Price $10.99
- Walker Converter Front To Int Pipe Exhaust Clamp for 1987-1989 GMC R3500 5.7L 7.4L V8Special Price $7.44 Regular Price $10.99
- Walker Converter Front To Int Pipe Exhaust Pipe Flange Gasket for 2007-2013 Suzuki SX4 2.0L L4Special Price $7.44 Regular Price $10.99
- 2 pc Walker Converter Inlet Left Exhaust Pipe Flange Gaskets for 1997-1998 Lexus ES300 3.0L V6Special Price $7.96 Regular Price $10.99
- Walker Converter Inlet Left Exhaust Pipe Flange Gasket for 2002-2005 Chevrolet Avalanche 1500 5.3L V8Special Price $16.39 Regular Price $22.99
- Walker Converter Inlet Left Exhaust Pipe Flange Gasket for 2000-2014 GMC Yukon 4.8L 5.3L 6.0L 6.2L V8Special Price $16.39 Regular Price $22.99
- Walker Converter Inlet Left Exhaust Pipe Flange Gasket for 2003-2006 Cadillac Escalade ESV 6.0L V8Special Price $16.39 Regular Price $22.99
- Walker Converter Inlet Left Exhaust Pipe Flange Gasket for 2004-2006 GMC Sierra 3500 6.0L 8.1L V8Special Price $16.39 Regular Price $22.99
- Walker Converter Inlet Left Exhaust Pipe Flange Gasket for 2000-2014 GMC Yukon XL 1500 5.3L 6.0L 6.2L V8Special Price $16.39 Regular Price $22.99
- Walker Converter Inlet Left Exhaust Pipe Flange Gasket for 2007-2013 Chevrolet Avalanche 5.3L 6.0L V8Special Price $16.39 Regular Price $22.99
- Walker Converter Inlet Left Exhaust Pipe Flange Gasket for 2007-2017 Chevrolet Silverado 3500 HD 6.0L V8Special Price $16.39 Regular Price $22.99
- Walker Converter Inlet Left Exhaust Pipe Flange Gasket for 2003-2014 GMC Savana 1500 4.3L 5.3L V6 V8Special Price $16.39 Regular Price $22.99
- Walker Converter Inlet Left Exhaust Pipe Flange Gasket for 2002-2006 Chevrolet Silverado 1500 HD 6.0L V8Special Price $16.89 Regular Price $23.99
- Walker Converter Inlet Left Exhaust Pipe Flange Gasket for 2007 GMC Sierra 2500 HD Classic 6.0L 8.1L V8Special Price $16.89 Regular Price $23.99
- Walker Converter Inlet Left Exhaust Pipe Flange Gasket for 2007-2017 GMC Sierra 3500 HD 6.0L V8Special Price $16.89 Regular Price $23.99
- Walker Converter Inlet Left Exhaust Pipe Flange Gasket for 2007 Chevrolet Silverado 1500 Classic 4.3L 4.8L 5.3L V6 V8Special Price $16.89 Regular Price $23.99
- Walker Converter Inlet Left Exhaust Pipe Flange Gasket for 2003-2014 Chevrolet Express 1500 4.3L 5.3L V6 V8Special Price $16.89 Regular Price $23.99
- Walker Converter Inlet Left Exhaust Pipe Flange Gasket for 2007 Chevrolet Silverado 2500 HD Classic 6.0L 8.1L V8Special Price $16.39 Regular Price $16.89
- Walker Converter Inlet Left Exhaust Pipe Flange Gasket for 2002-2006 Cadillac Escalade EXT 6.0L V8Special Price $16.89 Regular Price $23.99