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 Muffler Assm Exhaust System Insulators for 2003-2019 Toyota Corolla 1.8L L4Special Price $11.30 Regular Price $15.99
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- Walker Converter To Resonator Assm Exhaust Pipe Flange Gasket for 2004-2008 Acura TSX 2.4L L4Special Price $4.83 Regular Price $6.99
- Walker Converter To Resonator Assm Exhaust Pipe Flange Gasket for 1995-1999 Nissan Sentra 1.6L L4Special Price $2.25 Regular Price $2.99
- Walker Converter To Resonator Assm Exhaust Clamp for 1995 Oldsmobile Aurora 4.0L V8Special Price $4.23 Regular Price $5.99
- Walker Converter To Resonator Assm Exhaust Clamp for 2007-2012 Dodge Caliber 1.8L 2.0L 2.4L L4Special Price $4.25 Regular Price $5.99
- Walker Muffler Assm Exhaust System Insulator for 1999-2008 Toyota Solara 2.2L 2.4L L4Special Price $5.26 Regular Price $7.99
- Walker Muffler Assm Exhaust System Insulator for 2007-2012 Hyundai Elantra 2.0L L4Special Price $5.26 Regular Price $7.99
- Walker Converter To Resonator Assm Exhaust Pipe Flange Gasket for 1997-2005 Buick Century 3.1L V6Special Price $5.95 Regular Price $8.99
- Walker Converter To Resonator Assm Exhaust Pipe Flange Gasket for 1999-2003 Toyota Solara 3.0L V6Special Price $6.03 Regular Price $8.99
- Walker Muffler Assm Exhaust System Insulator for 2006-2008 Lexus RX400h 3.3L V6Special Price $8.09 Regular Price $11.99
- Walker Muffler Assm Exhaust System Insulator for 2012-2017 Jeep Compass 2.4L L4Special Price $8.09 Regular Price $11.99
- 2 pc Walker Muffler Assm Exhaust System Insulators for 2003-2009 Dodge Ram 2500 5.7L V8Special Price $16.44 Regular Price $22.99
- 4 pc Walker Muffler Assm Exhaust System Insulators for 2005-2017 Toyota Tacoma 2.7L L4Special Price $23.37 Regular Price $32.99
- 4 pc Walker Muffler Assm Exhaust System Insulators for 1995-1997 Subaru Legacy 2.2L 2.5L H4Special Price $23.37 Regular Price $32.99
- 3 pc Walker Muffler Assm Exhaust System Insulators for 2010-2017 GMC Terrain 2.4L L4Special Price $25.12 Regular Price $35.99
- 4 pc Walker Muffler Assm Exhaust System Insulators for 2009-2015 Toyota Venza 3.5L V6Special Price $33.80 Regular Price $47.99
- Walker Converter To Resonator Assm Exhaust Pipe Flange Gasket for 1995-1998 Nissan 200SX 1.6L L4Special Price $2.25 Regular Price $2.99
- Walker Converter To Resonator Assm Exhaust Pipe Flange Gasket for 1991-1993 Nissan NX 2.0L L4Special Price $2.25 Regular Price $2.99
- Walker Converter To Resonator Assm Exhaust Pipe Flange Gasket for 1989-1992 Toyota Corolla 1.6L L4Special Price $3.35 Regular Price $4.99
- Walker Converter To Resonator Assm Exhaust Clamp for 1998-2002 Chevrolet Prizm 1.8L L4Special Price $3.71 Regular Price $4.99
- Walker Converter To Resonator Assm Exhaust Clamp for 1988-1990 Lincoln Continental 3.8L V6Special Price $3.96 Regular Price $5.99
- Walker Converter To Resonator Assm Exhaust Clamp for 2005-2006 Ford Taurus 3.0L V6Special Price $3.99 Regular Price $5.99
- Walker Converter To Resonator Assm Exhaust Clamp for 2010-2011 Mercury Milan 2.5L L4Special Price $3.99 Regular Price $5.99
- Walker Converter To Resonator Assm Exhaust Clamp for 2007-2017 Jeep Compass 2.0L 2.4L L4Special Price $3.99 Regular Price $5.99
- Walker Converter To Resonator Assm Exhaust Clamp for 2005-2014 Volkswagen Jetta 2.5L L5Special Price $4.23 Regular Price $5.99