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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- 2 pc Walker Muffler Assm Exhaust System Insulators for 2003-2019 Toyota Corolla 1.8L L4Special Price $11.30 Regular Price $15.99
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- Walker Muffler Assm Exhaust System Insulator for 1987-1990 Toyota Tercel 1.5L L4Special Price $4.99 Regular Price $6.99
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- Walker Muffler Assm Exhaust System Insulator for 2005-2010 Honda Odyssey 3.5L V6Special Price $8.09 Regular Price $11.99
- 2 pc Walker Muffler Assm Exhaust System Insulators for 2015-2016 Audi Q3 2.0L L4Special Price $10.91 Regular Price $15.99
- 2 pc Walker Muffler Assm Exhaust System Insulators for 2008-2012 Chevrolet Malibu 2.4L 3.5L L4 V6Special Price $10.91 Regular Price $15.99
- 2 pc Walker Muffler Assm Exhaust System Insulators for 2004-2006 Lexus ES330 3.3L V6Special Price $10.91 Regular Price $15.99
- 2 pc Walker Muffler Assm Exhaust System Insulators for 1999-2003 Dodge Dakota 2.5L 3.9L L4 V6Special Price $16.44 Regular Price $22.99
- 2 pc Walker Muffler Assm Exhaust System Insulators for 2007-2017 Jeep Compass 2.0L 2.4L L4Special Price $16.44 Regular Price $22.99
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- 2 pc Walker Muffler Assm Exhaust System Insulators for 1994-1998 Hyundai Sonata 3.0L V6Special Price $16.95 Regular Price $23.99
- 3 pc Walker Muffler Assm Exhaust System Insulators for 2007-2017 Toyota Tundra 4.0L 4.6L 4.7L 5.7L V6 V8Special Price $17.33 Regular Price $24.99
- 2 pc Walker Muffler Assm Exhaust System Insulators for 2004-2007 Saturn Vue 3.5L V6Special Price $20.51 Regular Price $28.99
- 2 pc Walker Muffler Assm Exhaust System Insulators for 2009-2014 Chevrolet Express 1500 4.3L 5.3L V6 V8Special Price $20.51 Regular Price $28.99
- 3 pc Walker Muffler Assm Exhaust System Insulators for 2010-2017 Chevrolet Equinox 2.4L L4Special Price $25.12 Regular Price $35.99
- Walker Muffler Assm To Resonator Assm Exhaust Clamp for 2001 Ford Explorer Sport 4.0L V6Special Price $3.71 Regular Price $4.99
- Walker Muffler Assm To Resonator Assm Exhaust Clamp for 2001-2007 Dodge Caravan 2.4L 3.3L L4 V6Special Price $3.71 Regular Price $4.99
- Walker Muffler Assm To Resonator Assm Exhaust Clamp for 2001-2007 Dodge Grand Caravan 3.3L 3.8L V6Special Price $3.71 Regular Price $4.99
- Walker Muffler Assm To Resonator Assm Exhaust Clamp for 1999-2003 Ford Windstar 3.0L 3.8L V6Special Price $3.71 Regular Price $4.99
- Walker Muffler Assm To Resonator Assm Exhaust Clamp for 2000-2001 Ford Explorer 4.0L V6Special Price $3.71 Regular Price $4.99
- Walker Muffler Assm To Resonator Assm Exhaust Clamp for 1996-2007 Chrysler Town & Country 3.3L 3.8L V6Special Price $3.96 Regular Price $5.99
- Walker Muffler Assm To Resonator Assm Exhaust Clamp for 2001-2003 Chrysler Voyager 2.4L 3.3L L4 V6Special Price $3.96 Regular Price $5.99
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- Walker Muffler Assm To Resonator Assm Exhaust Clamp for 2001-2010 Dodge Grand Caravan 3.3L 3.8L V6Special Price $3.99 Regular Price $5.99
- Walker Muffler Assm To Resonator Assm Exhaust Clamp for 2005-2009 Pontiac Montana 3.4L 3.5L 3.9L V6Special Price $3.99 Regular Price $5.99
- Walker Muffler Assm To Resonator Assm Exhaust Clamp for 2005-2007 Buick Terraza 3.5L 3.9L V6Special Price $3.99 Regular Price $5.99
- Walker Muffler Assm To Resonator Assm Exhaust Clamp for 2009-2010 Volkswagen Routan 3.8L V6Special Price $3.99 Regular Price $5.99
- Walker Muffler Assm To Resonator Assm Exhaust Clamp for 2007-2010 Dodge Dakota 3.7L 4.7L V6 V8Special Price $4.49 Regular Price $5.99
- Walker Muffler Assm To Resonator Assm Exhaust Pipe Flange Gasket for 1996-1998 Mazda MPV 3.0L V6Special Price $4.65 Regular Price $6.99
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