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 To Converter Exhaust Pipe Flange Gasket for 2001-2005 Subaru Outback 2.5L H4Special Price $2.67 Regular Price $3.99
- Walker Front Pipe To Converter Exhaust Pipe Flange Gasket for 2014-2015 Honda Civic 1.8L L4Special Price $3.08 Regular Price $3.99
- Walker Front Pipe To Converter Exhaust Pipe Flange Gasket for 1999-2004 Honda Odyssey 3.5L V6Special Price $3.79 Regular Price $4.99
- Walker Resonator Assm Exhaust System Insulator for 2014 Nissan Rogue Select 2.5L L4Special Price $4.99 Regular Price $6.99
- Walker Resonator Assm Exhaust System Insulator for 2005-2007 Pontiac G6 2.4L 3.5L L4 V6Special Price $5.26 Regular Price $7.99
- Walker Front Pipe To Converter Exhaust Pipe Flange Gasket for 1987-1992 Mitsubishi Mirage 1.5L L4Special Price $5.49 Regular Price $7.99
- Walker Front Pipe To Converter Exhaust Pipe Flange Gasket for 1990-1993 Hyundai Excel 1.5L L4Special Price $5.92 Regular Price $7.99
- Walker Front Pipe To Converter Exhaust Pipe Flange Gasket for 1989-1992 Ford Probe 2.2L L4Special Price $6.24 Regular Price $8.99
- Walker Resonator Assm Exhaust System Insulator for 1996-2000 Plymouth Voyager 3.0L 3.3L 3.8L V6Special Price $8.09 Regular Price $11.99
- Walker Resonator Assm Exhaust System Insulator for 2007-2012 Dodge Caliber 1.8L 2.0L 2.4L L4Special Price $8.09 Regular Price $11.99
- Walker Resonator Assm Exhaust System Insulator for 2000-2005 Hyundai Accent 1.5L 1.6L L4Special Price $8.09 Regular Price $11.99
- Walker Resonator Assm Exhaust System Insulator for 2009 Ford Flex 3.5L V6Special Price $8.09 Regular Price $11.99
- Walker Resonator Assm Exhaust System Insulator for 2005-2014 Volkswagen Jetta 2.5L L5Special Price $8.09 Regular Price $11.99
- 2 pc Walker Resonator Assm Exhaust System Insulators for 2005-2014 Volkswagen Jetta 2.5L L5Special Price $10.91 Regular Price $15.99
- 2 pc Walker Resonator Assm Exhaust System Insulators for 1989-1993 Mitsubishi Galant 2.0L L4Special Price $11.30 Regular Price $15.99
- 2 pc Walker Resonator Assm Exhaust System Insulators for 1998-2002 Chevrolet Prizm 1.8L L4Special Price $11.30 Regular Price $15.99
- Walker Front Pipe To Converter Exhaust Bolt & Spring for 1993-1995 Honda Civic del Sol 1.5L 1.6L L4Special Price $12.75 Regular Price $17.99
- Walker Front Pipe To Converter Exhaust Pipe Flange Gasket for 2012-2013 Chevrolet Impala 3.6L V6Special Price $13.52 Regular Price $18.99
- 2 pc Walker Resonator Assm Exhaust System Insulators for 2003-2008 Hyundai Tiburon 2.0L 2.7L L4 V6Special Price $16.44 Regular Price $22.99
- 2 pc Walker Resonator Assm Exhaust System Insulators for 2015-2016 GMC Canyon 3.6L V6Special Price $20.51 Regular Price $28.99
- 2 pc Walker Resonator Assm Exhaust System Insulators for 2007-2010 Cadillac Escalade 6.2L V8Special Price $20.51 Regular Price $28.99
- 4 pc Walker Resonator Assm Exhaust System Insulators for 1988-1992 Mazda 626 2.2L L4Special Price $34.66 Regular Price $49.99
- Walker Front Pipe To Converter Exhaust Pipe Flange Gasket for 2011-2012 Lincoln MKZ 2.5L L4Special Price $2.25 Regular Price $2.99
- Walker Front Pipe To Converter Exhaust Pipe Flange Gasket for 2010-2011 Mercury Milan 2.5L L4Special Price $2.25 Regular Price $2.99
- Walker Front Pipe To Converter Exhaust Pipe Flange Gasket for 2010-2012 Ford Fusion 2.5L L4Special Price $2.25 Regular Price $2.99
- Walker Front Pipe To Converter Exhaust Pipe Flange Gasket for 1995 Nissan Pickup 2.4L L4Special Price $2.25 Regular Price $2.99
- Walker Front Pipe To Converter Exhaust Pipe Flange Gasket for 1990-1992 Infiniti M30 3.0L V6Special Price $2.25 Regular Price $2.99
- Walker Front Pipe To Converter Exhaust Pipe Flange Gasket for 1990-1994 Nissan D21 2.4L L4Special Price $2.25 Regular Price $2.99
- Walker Front Pipe To Converter Exhaust Pipe Flange Gasket for 2004-2008 Acura TSX 2.4L L4Special Price $2.26 Regular Price $2.99
- Walker Front Pipe To Converter Exhaust Pipe Flange Gasket for 2010-2012 Ford Fusion 2.5L L4Special Price $2.56 Regular Price $3.99
- Walker Front Pipe To Converter Exhaust Pipe Flange Gasket for 1987 Nissan 200SX 2.0L L4Special Price $2.56 Regular Price $3.99
- Walker Front Pipe To Converter Exhaust Pipe Flange Gasket for 2013-2015 Kia Optima 2.0L L4Special Price $2.56 Regular Price $3.99