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 Left Converter To Y-Pipe Exhaust Pipe Flange Gasket for 2012-2017 GMC Terrain 3.0L 3.6L V6Special Price $2.56 Regular Price $3.99
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- Walker Left Converter To Y-Pipe Exhaust Pipe Flange Gasket for 2010-2011 GMC Terrain 3.0L V6Special Price $4.39 Regular Price $5.99
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- Walker Left Converter To Y-Pipe Exhaust Pipe Flange Gasket for 2007-2008 Infiniti G35 3.5L V6Special Price $5.86 Regular Price $7.99
- Walker Left Converter To Y-Pipe Exhaust Pipe Flange Gasket for 2009-2013 Infiniti G37 3.7L V6Special Price $6.15 Regular Price $8.99
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- Walker Converter Front Exhaust System Insulator for 2012-2015 Chevrolet Captiva Sport 2.4L L4Special Price $8.09 Regular Price $11.99