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 Muffler Exhaust System Insulator for 1995-1997 Honda Accord 2.7L V6Special Price $4.11 Regular Price $5.99
- Walker Muffler Exhaust System Insulator for 1992-1996 Honda Prelude 2.2L 2.3L L4Special Price $4.11 Regular Price $5.99
- Walker Front Pipe Right To Muffler Right Exhaust Clamp for 1975-1985 Chevrolet C30 6.2L 7.4L V8Special Price $4.23 Regular Price $5.99
- Walker Front Pipe Right To Muffler Right Exhaust Clamp for 1982-1983 GMC C1500 Suburban 6.2L V8Special Price $4.23 Regular Price $5.99
- Walker Front Pipe Right To Muffler Right Exhaust Clamp for 1984-1986 GMC K2500 Suburban 6.2L V8Special Price $4.23 Regular Price $5.99
- Walker Front Pipe Right To Muffler Right Exhaust Clamp for 1987-1991 GMC V2500 Suburban 6.2L V8Special Price $4.23 Regular Price $5.99
- Walker Front Pipe Right To Muffler Right Exhaust Clamp for 1987-1988 Chevrolet V20 Suburban 6.2L V8Special Price $4.23 Regular Price $5.99
- Walker Front Pipe Right To Muffler Right Exhaust Clamp for 1989-1991 Chevrolet V2500 Suburban 6.2L V8Special Price $4.49 Regular Price $5.99
- Walker Front Pipe Right To Muffler Right Exhaust Clamp for 1984 GMC K3500 6.2L V8Special Price $4.49 Regular Price $5.99
- Walker Front Pipe Right To Muffler Right Exhaust Clamp for 1984-1986 Chevrolet K20 Suburban 6.2L V8Special Price $4.49 Regular Price $5.99
- Walker Front Pipe Right To Muffler Right Exhaust Clamp for 1982-1983 Chevrolet C10 Suburban 6.2L V8Special Price $4.49 Regular Price $5.99
- Walker Muffler Exhaust System Insulator for 1990-1994 Mitsubishi Eclipse 1.8L 2.0L L4Special Price $4.99 Regular Price $6.99
- Walker Muffler Exhaust System Insulator for 2000-2007 Ford Taurus 3.0L V6Special Price $4.99 Regular Price $6.99
- Walker Muffler Exhaust System Insulator for 2000-2005 Mercury Sable 3.0L V6Special Price $4.99 Regular Price $6.99
- Walker Muffler Exhaust System Insulator for 1990-1994 Plymouth Laser 1.8L 2.0L L4Special Price $5.26 Regular Price $7.99
- Walker Muffler Exhaust System Insulator for 1993-1997 Toyota Corolla 1.6L 1.8L L4Special Price $6.56 Regular Price $8.99
- Walker Muffler Exhaust System Insulator for 1993-1997 Geo Prizm 1.6L 1.8L L4Special Price $6.56 Regular Price $8.99
- 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