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 Muffler Assm To Resonator Assm Exhaust Clamp for 2005-2007 Saturn Relay 3.5L 3.9L V6Special Price $3.99 Regular Price $5.99
- Walker Muffler Assm To Resonator Assm Exhaust Clamp for 2001-2010 Chrysler Town & Country 3.3L 3.8L V6Special Price $3.99 Regular Price $5.99
- Walker Muffler Assm To Resonator Assm Exhaust Clamp for 2007-2010 GMC Yukon 6.2L V8Special Price $7.44 Regular Price $10.99
- Walker Muffler Assm Left Exhaust System Insulator for 1990-1993 Lexus LS400 4.0L V8Special Price $8.09 Regular Price $11.99
- 2 pc Walker Muffler Assm Left Exhaust System Insulators for 1990-1995 Nissan 300ZX 3.0L V6Special Price $10.91 Regular Price $15.99
- 2 pc Walker Muffler Assm Left Exhaust System Insulators for 1989-1990 Daihatsu Charade 1.3L L4Special Price $11.30 Regular Price $15.99
- 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
- Walker Muffler Assm To Resonator Assm Exhaust Clamp for 2002-2005 Chevrolet Venture 3.4L V6Special Price $3.99 Regular Price $5.99
- 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
- Walker Muffler Assm Left Exhaust System Insulator for 1994 Lexus LS400 4.0L V8Special Price $4.99 Regular Price $6.99
- Walker Muffler Assm Left Exhaust System Insulator for 2005 Subaru Legacy 2.5L H4Special Price $5.26 Regular Price $7.99
- Walker Muffler Assm Left Exhaust System Insulator for 2008-2012 Honda Accord 3.5L V6Special Price $5.26 Regular Price $7.99
- Walker Muffler Assm To Resonator Assm Exhaust Clamp for 2007-2010 GMC Yukon XL 1500 6.2L V8Special Price $7.12 Regular Price $9.99
- Walker Muffler Assm To Resonator Assm Exhaust Clamp for 2012 Ram 1500 5.7L V8Special Price $7.44 Regular Price $10.99
- Walker Muffler Assm Left Exhaust System Insulator for 2006-2008 Hyundai Sonata 3.3L V6Special Price $7.76 Regular Price $10.99
- Walker Muffler Assm Left Exhaust System Insulator for 2009-2013 Infiniti G37 3.7L V6Special Price $7.76 Regular Price $10.99
- Walker Muffler Assm Left Exhaust System Insulator for 2006-2010 Hyundai Azera 3.3L 3.8L V6Special Price $7.76 Regular Price $10.99
- Walker Muffler Assm Left Exhaust System Insulator for 2003-2007 Honda Accord 3.0L V6Special Price $7.76 Regular Price $10.99
- Walker Muffler Assm Left Exhaust System Insulator for 2011-2018 Ford Explorer 3.5L V6Special Price $7.76 Regular Price $10.99
- Walker Muffler Assm Left Exhaust System Insulator for 2004-2008 Acura TSX 2.4L L4Special Price $8.09 Regular Price $11.99
- Walker Muffler Assm Left Exhaust System Insulator for 2006 Lincoln Zephyr 3.0L V6Special Price $8.09 Regular Price $11.99
- Walker Muffler Assm Left Exhaust System Insulator for 1990-1995 Nissan 300ZX 3.0L V6Special Price $8.09 Regular Price $11.99
- Walker Muffler Assm Left Exhaust System Insulator for 2007-2008 Infiniti G35 3.5L V6Special Price $8.09 Regular Price $11.99