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 Inlet Front Exhaust Bolt & Spring for 1982-1983 Buick Regal 5.7L V8Special Price $15.11 Regular Price $21.99
- Walker Converter Inlet Exhaust Bolt & Spring for 2005-2017 Toyota Tacoma 2.7L L4Special Price $19.44 Regular Price $27.99
- Walker Converter Rear To Resonator Assm Front Exhaust Bolt & Spring for 2014-2017 Infiniti QX60 3.5L V6Special Price $19.44 Regular Price $27.99
- Walker Muffler Assm To Resonator Assm Exhaust Bolt & Spring for 2007-2009 Lexus RX350 3.5L V6Special Price $19.44 Regular Price $27.99
- Walker Converter To Muffler Assm Exhaust Bolt & Spring for 2006-2015 Toyota Yaris 1.5L L4Special Price $19.44 Regular Price $27.99
- Walker Front Pipe Inlet Exhaust Bolt & Spring for 1998-2002 Toyota Corolla 1.8L L4Special Price $19.44 Regular Price $27.99
- Walker Muffler Assm To Tail Pipe Exhaust Bolt & Spring for 2006-2012 Toyota RAV4 2.4L 2.5L 3.5L L4 V6Special Price $19.44 Regular Price $27.99
- Walker Converter Inlet Exhaust Bolt & Spring for 2006-2015 Toyota Yaris 1.5L L4Special Price $19.44 Regular Price $27.99
- Walker Muffler Assm To Resonator Assm Exhaust Bolt & Spring for 2004-2006 Lexus RX330 3.3L V6Special Price $19.44 Regular Price $27.99
- Walker Converter To Muffler Assm Exhaust Bolt & Spring for 2009-2013 Toyota Corolla 1.8L L4Special Price $19.44 Regular Price $27.99
- Walker Int Pipe To Muffler Assm Exhaust Bolt & Spring for 2014-2019 Toyota Corolla 1.8L L4Special Price $19.44 Regular Price $27.99
- Walker Resonator Assm To Muffler Assm Exhaust Bolt & Spring for 2012-2017 Toyota Prius V 1.8L L4Special Price $19.44 Regular Price $27.99
- Walker Front Converter To Front Pipe Exhaust Bolt & Spring for 2005-2010 Scion tC 2.4L L4Special Price $19.44 Regular Price $27.99
- Walker Y-Pipe To Converter Rear Exhaust Bolt & Spring for 2007-2015 Lexus RX350 3.5L V6Special Price $19.44 Regular Price $27.99
- Walker Muffler Assm To Resonator Assm Exhaust Bolt & Spring for 2004-2013 Toyota Highlander 2.4L 3.3L 3.5L L4 V6Special Price $19.44 Regular Price $27.99
- Walker Converter Inlet Exhaust Bolt & Spring for 2004-2006 Scion xA 1.5L L4Special Price $19.44 Regular Price $27.99
- Walker Rear Converter To Muffler Assm Exhaust Bolt & Spring for 2003-2004 Lexus GX470 4.7L V8Special Price $19.44 Regular Price $27.99
- Walker Converter To Muffler Assm Exhaust Bolt & Spring for 2001-2003 Toyota Prius 1.5L L4Special Price $19.44 Regular Price $27.99
- Walker Int Pipe To Converter Rear Exhaust Bolt & Spring for 2007-2013 Suzuki SX4 2.0L L4Special Price $19.44 Regular Price $27.99
- Walker Converter Rear Right To Muffler Assm Exhaust Bolt & Spring for 2007-2014 Toyota FJ Cruiser 4.0L V6Special Price $19.44 Regular Price $27.99
- Walker Converter Inlet Exhaust Bolt & Spring for 2003-2010 Pontiac Vibe 1.8L L4Special Price $19.44 Regular Price $27.99
- Walker Rear Converter To Muffler Assm Exhaust Bolt & Spring for 2006 Lexus IS350 3.5L V6Special Price $19.44 Regular Price $27.99
- Walker Converter Inlet Exhaust Bolt & Spring for 2007-2017 Nissan Sentra 1.8L 2.0L L4Special Price $19.44 Regular Price $27.99
- Walker Converter Rear To Extension Pipe Exhaust Bolt & Spring for 2009-2010 Pontiac Vibe 2.4L L4Special Price $19.44 Regular Price $27.99
- Walker Front Converter To Rear Converter Exhaust Bolt & Spring for 2002-2006 Nissan Altima 2.5L L4Special Price $19.44 Regular Price $27.99
- Walker Converter Center To Rear Exhaust Bolt & Spring for 2001-2003 Toyota Sienna 3.0L V6Special Price $19.44 Regular Price $27.99
- Walker Front Converter To Front Pipe Exhaust Bolt & Spring for 2003-2007 Honda Accord 2.4L L4Special Price $20.00 Regular Price $28.99
- Walker Muffler Assm To Resonator Assm Exhaust Bolt & Spring for 2013-2018 Toyota RAV4 2.5L L4Special Price $20.00 Regular Price $28.99
- Walker Y-Pipe To Converter Rear Exhaust Bolt & Spring for 2006-2012 Toyota RAV4 3.5L V6Special Price $20.00 Regular Price $28.99
- Walker Front Converter To Rear Converter Exhaust Bolt & Spring for 2008-2014 Scion xD 1.8L L4Special Price $20.00 Regular Price $28.99
- Walker Front Pipe To Int Pipe Exhaust Bolt & Spring for 1991-1993 Nissan NX 1.6L L4Special Price $20.00 Regular Price $28.99
- Walker Front Converter To Front Pipe Exhaust Bolt & Spring for 2009-2010 Pontiac Vibe 2.4L L4Special Price $20.00 Regular Price $28.99
- Walker Converter To Front Pipe Exhaust Bolt & Spring for 2001-2003 Toyota RAV4 2.0L L4Special Price $20.00 Regular Price $28.99
- Walker Converter To Extension Pipe Exhaust Bolt & Spring for 2009-2013 Toyota Matrix 1.8L L4Special Price $20.00 Regular Price $28.99
- Walker Front Converter To Front Pipe Exhaust Bolt & Spring for 2009-2013 Toyota Matrix 2.4L L4Special Price $20.00 Regular Price $28.99
- Walker Front Pipe Front to Rear Exhaust Bolt & Spring for 1996-1998 Nissan 200SX 1.6L L4Special Price $20.00 Regular Price $28.99
- Walker Converter To Resonator Assm Exhaust Bolt & Spring for 2009-2014 Nissan Cube 1.8L L4Special Price $20.00 Regular Price $28.99
- Walker Converter Rear To Int Pipe Exhaust Bolt & Spring for 2008-2015 Scion xB 2.4L L4Special Price $20.00 Regular Price $28.99
- Walker Rear Converter To Muffler Assm Exhaust Bolt & Spring for 2006-2013 Lexus IS250 2.5L V6Special Price $20.00 Regular Price $28.99
- Walker Front Converter To Front Pipe Exhaust Bolt & Spring for 2009-2011 Toyota Corolla 2.4L L4Special Price $20.00 Regular Price $28.99
- Walker Converter Inlet Exhaust Bolt & Spring for 2007-2017 Nissan Versa 1.6L 1.8L L4Special Price $20.00 Regular Price $28.99
- Walker Y-Pipe To Converter Rear Exhaust Bolt & Spring for 2006-2008 Lexus RX400h 3.3L V6Special Price $20.00 Regular Price $28.99
- Walker Front Converter To Front Pipe Exhaust Bolt & Spring for 2008-2015 Scion xB 2.4L L4Special Price $20.00 Regular Price $28.99
- Walker Resonator Assm To Muffler Assm Exhaust Bolt & Spring for 2000-2005 Toyota Celica 1.8L L4Special Price $20.00 Regular Price $28.99
- Walker Converter Front To Int Pipe Exhaust Bolt & Spring for 2007-2013 Suzuki SX4 2.0L L4Special Price $20.00 Regular Price $28.99
- Walker Front Converter To Front Pipe Exhaust Bolt & Spring for 2001-2003 Mazda Protege 2.0L L4Special Price $20.00 Regular Price $28.99
- Walker Converter To Extension Pipe Exhaust Bolt & Spring for 2009-2010 Pontiac Vibe 1.8L L4Special Price $20.00 Regular Price $28.99
- Walker Front Pipe Front to Rear Exhaust Bolt & Spring for 1998-2000 Toyota RAV4 2.0L L4Special Price $20.00 Regular Price $28.99