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 Rear Converter To Resonator Exhaust Clamp for 2008-2012 Chevrolet Malibu 2.4L 3.5L 3.6L L4 V6Special Price $4.23 Regular Price $5.99
- Fel-Pro Center Exhaust Pipe Flange Gasket for 2010-2012 Lexus HS250h 2.4L L4Special Price $6.77 Regular Price $9.99
- Walker Rear Converter To Resonator Exhaust Pipe Flange Gasket for 2009-2016 Subaru Forester 2.5L H4Special Price $19.23 Regular Price $26.99
- Fel-Pro Center Exhaust Pipe Flange Gasket for 2004-2008 Toyota RAV4 2.4L L4Special Price $3.35 Regular Price $4.99
- Walker Rear Converter To Resonator Exhaust Clamp for 2008-2009 Saturn Aura 2.4L 3.5L L4 V6Special Price $4.23 Regular Price $5.99
- Fel-Pro Center Exhaust Pipe Flange Gasket for 1998-2007 Lexus LX470 4.7L V8Special Price $5.26 Regular Price $7.99
- Fel-Pro Center Exhaust Pipe Flange Gasket for 2007-2014 Toyota FJ Cruiser 4.0L V6Special Price $5.26 Regular Price $7.99
- Fel-Pro Center Exhaust Pipe Flange Gasket for 1998-2007 Toyota Land Cruiser 4.7L V8Special Price $5.26 Regular Price $7.99
- Fel-Pro Center Exhaust Pipe Flange Gasket for 2003-2009 Lexus GX470 4.7L V8Special Price $5.54 Regular Price $7.99
- Fel-Pro Center Exhaust Pipe Flange Gasket for 2003-2015 Toyota 4Runner 4.0L 4.7L V6 V8Special Price $5.54 Regular Price $7.99
- Fel-Pro Center Exhaust Pipe Flange Gasket for 2000-2009 Toyota Tundra 4.7L V8Special Price $5.54 Regular Price $7.99
- Fel-Pro Center Exhaust Pipe Flange Gasket for 2001-2009 Toyota Sequoia 4.7L V8Special Price $5.54 Regular Price $7.99
- Fel-Pro Center Exhaust Pipe Flange Gasket for 1998-2006 Toyota Sienna 3.0L 3.3L V6Special Price $6.77 Regular Price $9.99
- Fel-Pro Center Exhaust Pipe Flange Gasket for 2004-2006 Lexus ES330 3.3L V6Special Price $7.08 Regular Price $9.99
- Fel-Pro Center Exhaust Pipe Flange Gasket for 2002-2003 Lexus ES300 3.0L V6Special Price $7.08 Regular Price $9.99
- Fel-Pro Center Exhaust Pipe Flange Gasket for 2002-2008 Toyota Solara 2.4L 3.3L L4 V6Special Price $7.08 Regular Price $9.99
- Walker Rear Converter To Resonator Exhaust Bolt & Spring for 2010-2017 Subaru Legacy 2.5L H4Special Price $12.32 Regular Price $17.99
- Walker Rear Converter To Resonator Exhaust Bolt & Spring for 2009-2016 Subaru Forester 2.5L H4Special Price $12.32 Regular Price $17.99
- Walker Rear Converter To Resonator Exhaust Bolt & Spring for 2010-2017 Subaru Outback 2.5L H4Special Price $12.32 Regular Price $17.99
- Walker Rear Converter To Resonator Exhaust Bolt & Spring for 2013-2015 Subaru XV Crosstrek 2.0L H4Special Price $12.32 Regular Price $17.99
- Walker Rear Converter To Resonator Exhaust Bolt & Spring for 2016 Subaru Crosstrek 2.0L H4Special Price $12.75 Regular Price $17.99
- Fel-Pro Center Exhaust Pipe Flange Gasket for 2001 Lexus ES300 3.0L V6Special Price $15.43 Regular Price $21.99
- Fel-Pro Center Exhaust Pipe Flange Gasket for 2004-2007 Toyota Highlander 2.4L L4Special Price $15.43 Regular Price $21.99
- Fel-Pro Center Exhaust Pipe Flange Gasket for 2001-2004 Toyota Avalon 3.0L V6Special Price $15.92 Regular Price $22.99
- Fel-Pro Center Exhaust Pipe Flange Gasket for 2001-2003 Mitsubishi Montero Sport 3.5L V6Special Price $16.98 Regular Price $23.99
- Fel-Pro Center Exhaust Pipe Flange Gasket for 1999-2003 Lexus RX300 3.0L V6Special Price $16.98 Regular Price $23.99
- Fel-Pro Center Exhaust Pipe Flange Gasket for 2003-2015 Toyota 4Runner 4.0L V6Special Price $16.98 Regular Price $23.99
- Fel-Pro Center Exhaust Pipe Flange Gasket for 2004-2006 Lexus RX330 3.3L V6Special Price $17.50 Regular Price $24.99
- Fel-Pro Center Exhaust Pipe Flange Gasket for 2006-2008 Lexus RX400h 3.3L V6Special Price $17.50 Regular Price $24.99
- Fel-Pro Center Exhaust Pipe Flange Gasket for 2001-2010 Toyota Highlander 3.0L 3.3L V6Special Price $17.50 Regular Price $24.99
- Fel-Pro Center Exhaust Pipe Flange Gasket for 2007-2014 Toyota FJ Cruiser 4.0L V6Special Price $17.50 Regular Price $24.99
- Fel-Pro Center Exhaust Pipe Flange Gasket for 2001-2002 Mitsubishi Montero 3.5L V6Special Price $17.50 Regular Price $24.99
- Walker Rear Converter To Resonator Exhaust Pipe Flange Gasket for 2008-2016 Subaru Impreza 2.0L 2.5L H4Special Price $18.68 Regular Price $26.99