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 SoundFX Front Exhaust Muffler for 2006-2009 Chevrolet Trailblazer 4.2L L6Special Price $84.27 Regular Price $85.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 2005-2007 Chevrolet Cobalt 2.0L L4Special Price $6.45 Regular Price $8.99
- Walker Left Converter To Y-Pipe Exhaust Pipe Flange Gasket for 2012-2017 GMC Terrain 3.0L 3.6L V6Special Price $2.56 Regular Price $3.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 2014-2016 Infiniti QX50 3.7L V6Special Price $3.29 Regular Price $3.39
- Walker Resonator Assm To Muffler Exhaust Clamp for 1996-2005 Chevrolet Cavalier 2.2L 2.4L L4Special Price $3.43 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 2007-2015 Nissan Altima 3.5L V6Special Price $3.52 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 2008-2012 Infiniti EX35 3.5L V6Special Price $3.52 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 2007-2009 Nissan 350Z 3.5L V6Special Price $3.52 Regular Price $4.99
- Walker Left Converter To Y-Pipe Exhaust Pipe Flange Gasket for 2007-2008 Infiniti G35 3.5L V6Special Price $5.52 Regular Price $7.99
- Walker Resonator Assm To Muffler Exhaust Pipe Flange Gasket for 2007-2010 Toyota Sienna 3.5L V6Special Price $5.69 Regular Price $8.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 1999-2008 Suzuki Grand Vitara 2.5L 2.7L V6Special Price $15.31 Regular Price $21.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 2007-2016 Mitsubishi Outlander 3.0L V6Special Price $16.35 Regular Price $23.99
- Walker Resonator Assm To Muffler Exhaust Pipe Flange Gasket for 2006-2012 Mitsubishi Eclipse 2.4L L4Special Price $19.26 Regular Price $27.99
- Walker SoundFX Front Exhaust Muffler for 1989-1993 Mazda B2600 2.6L L4Special Price $98.11 Regular Price $143.99
- Walker Resonator Assm To Muffler Exhaust Pipe Flange Gasket for 1992-2001 Toyota Camry 2.2L L4Special Price $3.09 Regular Price $3.19
- Fel-Pro Front Exhaust Pipe Flange Gasket for 1989-1990 Toyota Tercel 1.5L L4Special Price $3.23 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 1990-1992 Toyota Corolla 1.6L L4Special Price $3.23 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 2000-2009 Toyota Tundra 4.7L V8Special Price $3.32 Regular Price $4.99
- Walker Resonator Assm To Muffler Exhaust Pipe Flange Gasket for 1987-1988 Toyota Celica 2.0L L4Special Price $3.32 Regular Price $4.99
- Walker Resonator Assm To Muffler Exhaust Clamp for 2005-2007 Saturn Ion 2.2L 2.4L L4Special Price $3.07 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 2003-2009 Lexus GX470 4.7L V8Special Price $3.32 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 2003-2009 Toyota 4Runner 4.7L V8Special Price $3.08 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 1975-1978 Toyota Celica 2.2L L4Special Price $3.08 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 2004-2010 Toyota Highlander 3.3L V6Special Price $3.32 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 1999-2003 Lexus RX300 3.0L V6Special Price $3.32 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 1998-2003 Toyota Sienna 3.0L V6Special Price $3.08 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 1975-1978 Toyota Corona 2.2L L4Special Price $3.08 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 2001-2003 Toyota Highlander 3.0L V6Special Price $3.32 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 2001-2009 Toyota Sequoia 4.7L V8Special Price $3.32 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 1988-2007 Toyota Land Cruiser 4.0L 4.7L L6 V8Special Price $3.08 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 2015-2016 Infiniti Q70L 3.7L V6Special Price $3.29 Regular Price $3.39
- Fel-Pro Front Exhaust Pipe Flange Gasket for 2014-2016 Infiniti QX70 3.7L V6Special Price $3.29 Regular Price $3.39
- Fel-Pro Front Exhaust Pipe Flange Gasket for 1993-1994 Toyota T100 3.0L V6Special Price $3.42 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 1995-1997 Toyota Corolla 1.6L 1.8L L4Special Price $3.19 Regular Price $4.99
- Walker Resonator Assm To Muffler Exhaust Clamp for 1994-1995 Buick Regal 3.1L V6Special Price $3.43 Regular Price $3.54
- Fel-Pro Front Exhaust Pipe Flange Gasket for 2008-2013 Infiniti G37 3.7L V6Special Price $3.29 Regular Price $4.99