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 Extension Pipe To Resonator Assm Exhaust Clamp for 1991-1992 Nissan Axxess 2.4L L4Special Price $3.71 Regular Price $4.99
- Walker Extension Pipe To Resonator Assm Exhaust Clamp for 2007-2010 Saturn Outlook 3.6L V6Special Price $3.99 Regular Price $5.99
- Walker Extension Pipe To Resonator Assm Exhaust Clamp for 2009-2017 Chevrolet Traverse 3.6L V6Special Price $3.99 Regular Price $5.99
- Walker Converter Left Exhaust System Insulator for 2007-2017 Toyota Tundra 4.0L 4.6L 4.7L 5.7L V6 V8Special Price $4.99 Regular Price $6.99
- Walker Extension Pipe To Resonator Assm Exhaust Pipe Flange Gasket for 1998 Chevrolet Malibu 2.4L L4Special Price $5.10 Regular Price $6.99
- Walker Extension Pipe To Resonator Assm Exhaust Pipe Flange Gasket for 1988-1992 Mazda 626 2.2L L4Special Price $5.49 Regular Price $7.99
- Walker Extension Pipe To Resonator Assm Exhaust Pipe Flange Gasket for 1994-1995 Kia Sephia 1.6L L4Special Price $5.77 Regular Price $7.99
- Walker Extension Pipe To Resonator Assm Exhaust Pipe Flange Gasket for 1988-1992 Mazda MX-6 2.2L L4Special Price $5.77 Regular Price $7.99
- Walker Extension Pipe To Resonator Assm Exhaust Pipe Flange Gasket for 2013-2016 Hyundai Santa Fe Sport 2.4L L4Special Price $6.24 Regular Price $8.99
- Walker Converter Left Exhaust System Insulator for 2007 Chevrolet Silverado 3500 Classic 6.0L 8.1L V8Special Price $9.51 Regular Price $13.99
- Walker Converter Left Exhaust System Insulator for 2003-2009 Chevrolet Express 2500 4.8L 6.0L V8Special Price $9.51 Regular Price $13.99
- Walker Converter Left Exhaust System Insulator for 2003-2010 Chevrolet Express 3500 4.8L 6.0L V8Special Price $9.51 Regular Price $13.99
- Walker Converter Left Exhaust System Insulator for 2003-2010 GMC Savana 3500 4.8L 6.0L V8Special Price $9.87 Regular Price $13.99
- Walker Converter Left Exhaust System Insulator for 2007 GMC Sierra 3500 Classic 6.0L 8.1L V8Special Price $9.87 Regular Price $13.99
- Walker Converter Left Exhaust System Insulator for 2001-2006 GMC Yukon 6.0L V8Special Price $9.87 Regular Price $13.99
- Walker Converter Left Exhaust System Insulator for 2001-2006 GMC Sierra 2500 HD 6.0L 8.1L V8Special Price $9.87 Regular Price $13.99
- Walker Extension Pipe To Resonator Assm Exhaust Pipe Flange Gasket for 1993 Honda Accord 2.2L L4Special Price $12.52 Regular Price $17.99