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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- Fel-Pro MS 9275 B Exhaust Manifold Gasket SetSpecial Price $9.29 Regular Price $12.99
- Fel-Pro Exhaust Pipe Flange Gasket for 2001-2006 Chevrolet Silverado 2500 HD 6.0L 8.1L V8Special Price $6.71 Regular Price $9.99
- Walker Converter Inlet Front Left Exhaust Pipe Flange Gasket for 2005-2015 Nissan Xterra 4.0L V6Special Price $3.31 Regular Price $4.99
- Walker Exhaust Pipe Flange Gasket for 1995-2017 Nissan Maxima 3.0L 3.5L V6Special Price $2.25 Regular Price $2.99
- Walker Converter To Resonator Assm Exhaust Pipe Flange Gasket for 2007-2009 Honda CR-V 2.4L L4Special Price $4.83 Regular Price $6.99
- Walker Front Converter To Front Pipe Exhaust Pipe Flange Gasket for 2008-2010 Chevrolet Malibu 2.4L L4Special Price $4.83 Regular Price $6.99
- Walker Exhaust Pipe Flange Gasket for 1996-2019 Hyundai Elantra 1.8L 2.0L L4Special Price $5.92 Regular Price $7.99
- Walker Resonator Assm To Left Muffler Assm Exhaust Pipe Flange Gasket for 2000-2005 Lexus GS300 3.0L L6Special Price $6.03 Regular Price $8.99
- Walker Int Pipe To Converter Rear Exhaust Pipe Flange Gasket for 2007-2013 Suzuki SX4 2.0L L4Special Price $7.12 Regular Price $9.99
- Walker Exhaust Pipe Flange Gasket for 1982-1985 Chevrolet Corvette 5.7L V8Special Price $7.86 Regular Price $10.99
- Walker Converter To Resonator Exhaust Pipe Flange Gasket for 2003-2008 Pontiac Grand Prix 3.8L V6Special Price $8.32 Regular Price $11.99
- Fel-Pro Exhaust Pipe Flange Gasket for 1997-2005 Buick Park Avenue 3.8L V6Special Price $8.81 Regular Price $12.99
- Walker Converter Rear Right To Muffler Assm Exhaust Pipe Flange Gasket for 2007-2014 Toyota FJ Cruiser 4.0L V6Special Price $9.71 Regular Price $13.99
- 2 pc Walker Exhaust Pipe Flange Gaskets for 1991-1995 Isuzu Rodeo 3.1L 3.2L V6Special Price $10.08 Regular Price $13.99
- 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
- Fel-Pro Exhaust Manifold Gasket Set for 1999-2007 Jeep Grand Cherokee 4.7L V8Special Price $15.83 Regular Price $22.99
- Fel-Pro Exhaust Pipe Flange Gasket for 2001-2003 Toyota Highlander 3.0L V6Special Price $15.92 Regular Price $22.99
- Walker Resonator Assm To Muffler Assm Exhaust Pipe Flange Gasket for 2001-2005 Lexus IS300 3.0L L6Special Price $20.55 Regular Price $28.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 1994-1997 Geo Tracker 1.6L L4Special Price $15.43 Regular Price $21.99
- Walker Exhaust Pipe Flange Gasket for 2014-2017 Infiniti QX70 3.7L V6Special Price $6.15 Regular Price $8.99
- 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 Converter Rear Left To Front Pipe Exhaust Pipe Flange Gasket for 2009-2012 Suzuki Equator 4.0L V6Special Price $2.25 Regular Price $2.99
- Walker Exhaust Pipe Flange Gasket for 1999-2018 Nissan Frontier 2.4L 2.5L 3.3L L4 V6Special Price $2.25 Regular Price $2.99
- Walker Converter Center To Rear Exhaust Pipe Flange Gasket for 1999-2001 Nissan Maxima 3.0L V6Special Price $2.25 Regular Price $2.99
- Walker Exhaust Pipe Flange Gasket for 2012-2017 Nissan NV1500 4.0L V6Special Price $2.25 Regular Price $2.99
- Walker Front Converter To Center Exhaust Pipe Flange Gasket for 2008-2012 Chevrolet Malibu 3.5L 3.6L V6Special Price $2.56 Regular Price $3.99
- Walker Resonator Assm To Muffler Assm Exhaust Pipe Flange Gasket for 2010-2012 Hyundai Santa Fe 2.4L L4Special Price $2.56 Regular Price $3.99
- Walker Front Pipe To Rear Converter Exhaust Pipe Flange Gasket for 2006-2009 Ford Fusion 2.3L L4Special Price $2.56 Regular Price $3.99
- Walker Front Right Converter To Front Pipe Exhaust Pipe Flange Gasket for 2012-2016 Cadillac SRX 3.6L V6Special Price $2.56 Regular Price $3.99
- Walker Exhaust Pipe Flange Gasket for 2010-2016 Kia Soul 1.6L 2.0L L4Special Price $2.56 Regular Price $3.99