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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- 2 pc Walker Converter Rear Exhaust System Insulators for 2001-2016 Kia Optima 2.4L 2.5L 2.7L L4 V6Special Price $10.91 Regular Price $15.99
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- Walker Converter Rear Exhaust System Insulator for 2004-2006 Lexus RX330 3.3L V6Special Price $4.99 Regular Price $6.99
- Walker Converter Rear Exhaust System Insulator for 2006-2008 Lexus RX400h 3.3L V6Special Price $4.99 Regular Price $6.99
- Walker Converter Rear Exhaust System Insulator for 2001-2008 Ford Escape 3.0L V6Special Price $4.99 Regular Price $6.99
- Walker Converter Rear Exhaust System Insulator for 2015-2017 Hyundai Sonata 2.4L L4Special Price $5.26 Regular Price $7.99
- Walker Converter Rear Exhaust System Insulator for 2005-2008 Mercury Mariner 3.0L V6Special Price $5.26 Regular Price $7.99
- Walker Converter To Muffler Assm Exhaust Pipe Flange Gasket for 1996-2000 Toyota 4Runner 2.7L L4Special Price $6.32 Regular Price $8.99
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- Walker Converter Rear Exhaust System Insulator for 2009-2017 Buick Enclave 3.6L V6Special Price $7.76 Regular Price $10.99
- Walker Converter Rear Exhaust System Insulator for 2009-2015 Toyota Venza 3.5L V6Special Price $7.76 Regular Price $10.99
- Walker Converter Rear Exhaust System Insulator for 2009-2010 Saturn Outlook 3.6L V6Special Price $7.76 Regular Price $10.99
- Walker Converter Rear Exhaust System Insulator for 2009-2017 Chevrolet Traverse 3.6L V6Special Price $8.09 Regular Price $11.99
- Walker Converter Rear Exhaust System Insulator for 2010-2017 GMC Terrain 2.4L L4Special Price $8.09 Regular Price $11.99
- Walker Converter Rear Exhaust System Insulator for 2010-2017 Chevrolet Equinox 2.4L L4Special Price $8.09 Regular Price $11.99
- 2 pc Walker Converter Rear Exhaust System Insulators for 2009-2010 Pontiac Vibe 2.4L L4Special Price $10.91 Regular Price $15.99
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- 2 pc Walker Converter Rear Exhaust System Insulators for 2000-2005 Mitsubishi Eclipse 3.0L V6Special Price $16.44 Regular Price $22.99
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- 2 pc Walker Converter Rear Exhaust System Insulators for 2010-2015 Lexus RX350 3.5L V6Special Price $16.95 Regular Price $23.99
- 2 pc Walker Converter Rear Exhaust System Insulators for 2008-2015 Scion xB 2.4L L4Special Price $16.95 Regular Price $23.99
- 2 pc Walker Converter Rear Exhaust System Insulators for 2002-2005 Hyundai XG350 3.5L V6Special Price $16.95 Regular Price $23.99
- Walker Converter To Muffler Assm Exhaust Bolt & Spring for 2006-2015 Toyota Yaris 1.5L L4Special Price $19.44 Regular Price $27.99
- Walker Converter To Muffler Assm Exhaust Bolt & Spring for 2009-2013 Toyota Corolla 1.8L L4Special Price $19.44 Regular Price $27.99
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