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.
Filter By Part Details
- Walker Exhaust Pipe Flange Gasket for 2001-2005 Saturn L300 2.2L 3.0L L4 V6Special Price $4.83 Regular Price $6.99
- 2 pc Walker Muffler Assm Exhaust System Insulators for 2003-2019 Toyota Corolla 1.8L L4Special Price $11.30 Regular Price $15.99
- Walker Converter Inlet Exhaust Bolt & Spring for 2003-2019 Toyota Corolla 1.8L L4Special Price $19.44 Regular Price $27.99
- 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 Exhaust Pipe Flange Gasket for 1995-2017 Nissan Maxima 3.0L 3.5L V6Special Price $2.25 Regular Price $2.99
- 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 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 Converter To Resonator Assm Exhaust Pipe Flange Gasket for 2004-2008 Acura TSX 2.4L L4Special Price $4.83 Regular Price $6.99
- Walker Converter To Int Pipe Exhaust Pipe Flange Gasket for 1995-1998 Chevrolet Cavalier 2.2L L4Special Price $5.10 Regular Price $6.99
- Walker Exhaust Pipe Flange Gasket for 1993-1996 Chevrolet Corsica 2.2L 3.1L L4 V6Special Price $5.10 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 Front Pipe Exhaust System Insulator for 2009-2014 Acura TSX 2.4L L4Special Price $6.86 Regular Price $9.99
- 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
- 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
- 2 pc Walker Converter Rear Exhaust System Insulators for 2001-2016 Kia Optima 2.4L 2.5L 2.7L L4 V6Special Price $10.91 Regular Price $15.99
- Walker Rear Resonator Assm To Muffler Assm Exhaust Bolt & Spring for 2006-2011 Honda Civic 2.0L L4Special Price $12.32 Regular Price $17.99
- Walker Converter To Front Pipe Exhaust Bolt & Spring for 2006-2013 Honda Civic 1.8L L4Special Price $12.32 Regular Price $17.99
- Walker Front Converter To Front Pipe Exhaust Bolt & Spring for 2008-2012 Honda Accord 2.4L L4Special Price $12.75 Regular Price $17.99
- 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
- 2 pc Walker Exhaust Clamps for 1965-1969 Pontiac Catalina 6.4L 6.6L 6.9L 7.0L V8Special Price $14.67 Regular Price $20.99
- 2 pc Walker Y-Pipe Exhaust System Insulators for 2000-2005 Chevrolet Monte Carlo 3.8L V6Special Price $16.95 Regular Price $23.99
- 2 pc Walker Exhaust System Insulators for 1995-2010 Dodge Ram 2500 5.2L 5.9L 6.7L L6 V8Special Price $16.95 Regular Price $23.99
- 3 pc Walker Exhaust System Insulators for 2010-2013 Toyota Tundra 4.6L 5.7L V8Special Price $17.33 Regular Price $24.99
- 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
- 2 pc Walker Exhaust Pipe Spouts for 1992-1995 BMW 525i 2.5L L6Special Price $37.45 Regular Price $52.99
- Walker SoundFX Exhaust Muffler for 2004-2011 Ford Ranger 2.3L 3.0L 4.0L L4 V6Special Price $92.46 Regular Price $131.99