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 Exhaust System Insulators for 1996-2000 Plymouth Voyager 3.0L 3.3L 3.8L V6Special Price $16.44 Regular Price $22.99
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- Walker Front Pipe To Resonator Exhaust Clamp for 1998-2002 Dodge Ram 2500 5.9L L6Special Price $7.44 Regular Price $10.99
- Walker Front Pipe To Resonator Exhaust Clamp for 1998-2002 Dodge Ram 3500 5.9L L6Special Price $7.44 Regular Price $10.99
- Walker Muffler Exhaust System Insulator for 1988-2009 Mercury Sable 3.5L 3.8L V6Special Price $7.76 Regular Price $10.99
- Walker Muffler Exhaust System Insulator for 1992-1994 Eagle Summit 1.8L 2.4L L4Special Price $7.76 Regular Price $10.99
- Walker Muffler Exhaust System Insulator for 2012-2015 Chevrolet Captiva Sport 2.4L L4Special Price $7.76 Regular Price $10.99
- Walker Muffler Exhaust System Insulator for 1990-1994 Plymouth Laser 1.8L 2.0L L4Special Price $7.76 Regular Price $10.99
- Walker Muffler Exhaust System Insulator for 1996-2001 Chevrolet Lumina 3.1L V6Special Price $7.76 Regular Price $10.99
- Walker Muffler Exhaust System Insulator for 1989-1992 Dodge Colt 1.5L L4Special Price $8.09 Regular Price $11.99
- Walker Muffler Exhaust System Insulator for 2006-2012 Mitsubishi Eclipse 2.4L L4Special Price $8.09 Regular Price $11.99
- Walker Muffler Exhaust System Insulator for 1988-2012 Ford Taurus 3.5L 3.8L V6Special Price $8.09 Regular Price $11.99
- Walker Muffler Exhaust System Insulator for 1990-1994 Eagle Talon 1.8L 2.0L L4Special Price $8.09 Regular Price $11.99
- Walker Muffler Exhaust System Insulator for 2008-2009 Ford Taurus X 3.5L V6Special Price $8.09 Regular Price $11.99
- Walker Muffler Exhaust System Insulator for 1986-1994 Plymouth Colt 1.5L 1.8L 2.0L 2.4L L4Special Price $8.09 Regular Price $11.99