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 Converter To Rear Converter Exhaust Bolt & Spring for 2007-2017 Jeep Patriot 2.4L L4Special Price $12.75 Regular Price $17.99
- Walker Front Converter To Rear Converter Exhaust Pipe Flange Gasket for 2010-2017 Chevrolet Equinox 2.4L L4Special Price $13.52 Regular Price $18.99
- 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 2010-2012 Ford Fusion 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 $2.56 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
- Walker Front Pipe To Converter Exhaust Pipe Flange Gasket for 2000-2005 Subaru Impreza 2.5L H4Special Price $2.67 Regular Price $3.99
- Walker Front Converter To Rear Converter Exhaust Pipe Flange Gasket for 1998 Subaru Forester 2.5L H4Special Price $2.67 Regular Price $3.99
- Walker Front Converter To Rear Converter Exhaust Pipe Flange Gasket for 2005-2006 Chevrolet Malibu 3.5L V6Special Price $2.69 Regular Price $3.99
- Walker Front Pipe To Converter Exhaust Pipe Flange Gasket for 1983-1996 Honda Prelude 1.8L 2.0L 2.2L 2.3L L4Special Price $4.04 Regular Price $5.99
- Walker Front Pipe To Converter Exhaust Clamp for 1991 GMC Sonoma 2.5L L4Special Price $4.25 Regular Price $5.99
- Walker Front Converter To Rear Converter Exhaust Pipe Flange Gasket for 2003-2008 Hyundai Tiburon 2.0L L4Special Price $5.92 Regular Price $7.99
- Walker Front Converter To Rear Converter Exhaust Pipe Flange Gasket for 2010-2017 GMC Terrain 2.4L L4Special Price $13.52 Regular Price $18.99
- Walker Front Converter To Rear Converter Exhaust Pipe Flange Gasket for 2005-2007 Ford Focus 2.0L 2.3L L4Special Price $2.25 Regular Price $2.99
- Walker Front Converter To Rear Converter Exhaust Pipe Flange Gasket for 1999-2000 Nissan Maxima 3.0L V6Special 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 2010-2011 Mercury Milan 2.5L 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 Converter To Rear Converter Exhaust Pipe Flange Gasket for 2006-2010 Mazda 5 2.3L 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 Converter To Rear Converter Exhaust Pipe Flange Gasket for 2007-2008 Chevrolet Malibu 3.5L 3.6L V6Special 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 Converter To Rear Converter Exhaust Pipe Flange Gasket for 2006 Mercury Milan 2.3L L4Special Price $2.56 Regular Price $3.99
- Walker Front Converter To Rear Converter Exhaust Pipe Flange Gasket for 1985-1986 Nissan Maxima 3.0L V6Special Price $2.56 Regular Price $3.99
- 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 2003-2006 Subaru Baja 2.5L H4Special Price $2.67 Regular Price $3.99
- Walker Front Pipe To Converter Exhaust Pipe Flange Gasket for 2000-2005 Subaru Legacy 2.5L H4Special Price $2.69 Regular Price $3.99
- Walker Front Converter To Rear Converter Exhaust Pipe Flange Gasket for 1995-1997 Subaru Legacy 2.2L 2.5L H4Special Price $2.69 Regular Price $3.99