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 Right Exhaust System Insulator for 1999-2004 Chevrolet Silverado 2500 6.0L V8Special Price $9.51 Regular Price $13.99
- Walker Converter To Extension Pipe Exhaust Pipe Flange Gasket for 1995 Nissan Pickup 2.4L L4Special Price $2.56 Regular Price $3.99
- Walker Converter To Extension Pipe Exhaust Clamp for 2001-2002 Dodge Dakota 2.5L L4Special Price $3.99 Regular Price $5.99
- Walker Converter To Extension Pipe Exhaust Clamp for 2002-2003 Dodge Ram 1500 3.7L 4.7L V6 V8Special Price $4.23 Regular Price $5.99
- Walker Converter To Extension Pipe Exhaust Pipe Flange Gasket for 1990 Nissan Axxess 2.4L L4Special Price $4.52 Regular Price $5.99
- Walker Converter To Extension Pipe Exhaust Pipe Flange Gasket for 2005-2006 Chevrolet Uplander 3.5L V6Special Price $5.95 Regular Price $8.99
- Walker Converter To Extension Pipe Exhaust Clamp for 2006-2008 Dodge Ram 1500 3.7L 4.7L V6 V8Special Price $7.44 Regular Price $10.99
- Walker Converter Right Exhaust System Insulator for 2001-2006 GMC Sierra 2500 HD 6.0L 8.1L V8Special Price $9.51 Regular Price $13.99
- Walker Converter Right Exhaust System Insulator for 1999-2004 GMC Sierra 2500 6.0L V8Special Price $9.51 Regular Price $13.99
- Walker Converter Right Exhaust System Insulator for 2007 GMC Sierra 3500 Classic 6.0L 8.1L V8Special Price $9.51 Regular Price $13.99
- Walker Converter Right Exhaust System Insulator for 2002-2006 GMC Sierra 1500 HD 6.0L V8Special Price $9.51 Regular Price $13.99
- Walker Converter Right Exhaust System Insulator for 2004-2006 Chevrolet Silverado 3500 6.0L 8.1L V8Special Price $9.51 Regular Price $13.99
- Walker Converter Right Exhaust System Insulator for 2006-2009 Chevrolet Express 3500 4.8L 6.0L V8Special Price $9.51 Regular Price $13.99
- Walker Converter Right Exhaust System Insulator for 1996-2000 Chevrolet K2500 5.7L 7.4L V8Special Price $9.51 Regular Price $13.99
- Walker Converter Right Exhaust System Insulator for 1996-2000 GMC K2500 5.7L 7.4L V8Special Price $9.87 Regular Price $13.99
- Walker Converter Right Exhaust System Insulator for 1996-2000 GMC C2500 5.7L 7.4L V8Special Price $9.87 Regular Price $13.99
- Walker Converter Right Exhaust System Insulator for 1996-2000 Chevrolet C2500 5.7L 7.4L V8Special Price $9.87 Regular Price $13.99
- Walker Converter Right Exhaust System Insulator for 2004-2006 GMC Sierra 3500 6.0L 8.1L V8Special Price $9.87 Regular Price $13.99
- Walker Converter Right Exhaust System Insulator for 2006-2009 GMC Savana 3500 4.8L 6.0L V8Special Price $9.87 Regular Price $13.99
- Walker Converter To Extension Pipe Exhaust Bolt & Spring for 2009-2013 Toyota Matrix 1.8L L4Special Price $20.00 Regular Price $28.99
- Walker Converter To Extension Pipe Exhaust Bolt & Spring for 2009-2010 Pontiac Vibe 1.8L L4Special Price $20.00 Regular Price $28.99
- 2 pc Walker Converter To Extension Pipe Exhaust Clamps for 2011-2017 Dodge Durango 3.6L V6Special Price $40.49 Regular Price $57.99