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 Front Pipe Inlet Exhaust Pipe Flange Gasket for 1987-1990 Toyota Tercel 1.5L L4Special Price $2.61 Regular Price $3.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 2003-2009 Lexus GX470 4.7L V8Special Price $3.35 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 2002-2006 Infiniti Q45 4.5L V8Special Price $3.56 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 2014-2016 Infiniti Q50 3.5L 3.7L V6Special Price $3.56 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 2000-2009 Toyota Tundra 4.7L V8Special Price $3.59 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 1990-1997 Toyota Celica 1.6L 1.8L L4Special Price $3.71 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 2012-2013 Infiniti M35h 3.5L V6Special Price $3.81 Regular Price $4.99
- Walker Front Pipe Inlet Exhaust Pipe Flange Gasket for 1999-2000 Honda Civic 1.6L L4Special Price $3.89 Regular Price $5.99
- Walker Front Pipe Inlet Exhaust Pipe Flange Gasket for 2011-2012 Lincoln MKZ 2.5L L4Special Price $2.25 Regular Price $2.99
- Walker Front Pipe Inlet Exhaust Pipe Flange Gasket for 2010-2012 Ford Fusion 2.5L L4Special Price $2.25 Regular Price $2.99
- Walker Front Pipe Inlet Exhaust Pipe Flange Gasket for 2010-2011 Mercury Milan 2.5L L4Special Price $2.25 Regular Price $2.99
- Walker Front Pipe Inlet Exhaust Pipe Flange Gasket for 2012-2013 Kia Soul 2.0L L4Special Price $2.56 Regular Price $3.99
- Walker Front Pipe Inlet Exhaust Pipe Flange Gasket for 2010-2011 Mercury Milan 2.5L L4Special Price $2.56 Regular Price $3.99
- Walker Front Pipe Inlet Exhaust Pipe Flange Gasket for 2010-2012 Ford Fusion 2.5L L4Special Price $2.56 Regular Price $3.99
- Walker Front Pipe Inlet Exhaust Pipe Flange Gasket for 1986-1988 Nissan Stanza 2.0L L4Special Price $2.56 Regular Price $3.99
- Walker Front Pipe Inlet Exhaust Pipe Flange Gasket for 2007-2010 Kia Rondo 2.4L L4Special Price $2.56 Regular Price $3.99
- Walker Front Pipe Inlet Exhaust Pipe Flange Gasket for 1983-1984 Toyota Cressida 2.8L L6Special Price $2.61 Regular Price $3.99
- Walker Front Pipe Inlet Exhaust Pipe Flange Gasket for 1993-1995 Honda Civic del Sol 1.5L L4Special Price $3.04 Regular Price $3.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 1989-1990 Toyota Tercel 1.5L L4Special Price $3.27 Regular Price $4.99
- Walker Front Pipe Inlet Exhaust Pipe Flange Gasket for 1988-1995 Honda Civic 1.5L 1.6L L4Special Price $3.27 Regular Price $4.99
- Walker Front Pipe Inlet Exhaust Pipe Flange Gasket for 1988-1993 Acura Integra 1.6L 1.7L 1.8L L4Special Price $3.27 Regular Price $4.99
- Walker Front Pipe Inlet Exhaust Pipe Flange Gasket for 1988-1991 Honda CRX 1.6L L4Special Price $3.27 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 2003-2009 Toyota 4Runner 4.7L V8Special Price $3.35 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 1975-1978 Toyota Celica 2.2L L4Special Price $3.35 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 2004-2010 Toyota Highlander 3.3L V6Special Price $3.35 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 1999-2003 Lexus RX300 3.0L V6Special Price $3.35 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 1998-2003 Toyota Sienna 3.0L V6Special Price $3.35 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 1975-1978 Toyota Corona 2.2L L4Special Price $3.35 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 2001-2003 Toyota Highlander 3.0L V6Special Price $3.35 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 2001-2009 Toyota Sequoia 4.7L V8Special Price $3.35 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 1988-2007 Toyota Land Cruiser 4.0L 4.7L L6 V8Special Price $3.35 Regular Price $4.99
- Walker Front Pipe Inlet Exhaust Pipe Flange Gasket for 1989-1992 Toyota Corolla 1.6L L4Special Price $3.35 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 1993-1994 Toyota T100 3.0L V6Special Price $3.46 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 1995-1997 Toyota Corolla 1.6L 1.8L L4Special Price $3.46 Regular Price $4.99