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 Exhaust System Insulator for 1985-1988 Chevrolet Nova 1.6L L4Special Price $4.99 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
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- Walker Converter Rear Exhaust System Insulator for 2004-2006 Lexus RX330 3.3L V6Special Price $4.99 Regular Price $6.99
- Walker Exhaust System Insulator for 1995-1998 Mitsubishi Galant 2.4L L4Special 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 Assm Exhaust System Insulator for 2003-2006 Toyota Camry 2.4L L4Special Price $4.99 Regular Price $6.99
- Walker Exhaust System Insulator for 2006-2011 Hyundai Accent 1.6L L4Special Price $4.99 Regular Price $6.99
- Walker Exhaust System Insulator for 1999-2001 Hyundai Sonata 2.4L L4Special Price $4.99 Regular Price $6.99
- Walker Muffler Assm Exhaust System Insulator for 2007-2014 Honda CR-V 2.4L L4Special Price $4.99 Regular Price $6.99
- Walker Resonator Exhaust System Insulator for 2013-2017 Subaru Outback 2.5L H4Special 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 Converter Left Exhaust System Insulator for 2007-2017 Toyota Tundra 4.0L 4.6L 4.7L 5.7L V6 V8Special Price $4.99 Regular Price $6.99
- Walker Exhaust System Insulator for 1993-1994 Plymouth Colt 1.5L 1.8L L4Special Price $4.99 Regular Price $6.99
- Walker Exhaust System Insulator for 1993-2002 Mitsubishi Mirage 1.5L 1.8L L4Special Price $4.99 Regular Price $6.99
- Walker Exhaust System Insulator for 1987-1988 Suzuki Forsa 1.0L L3Special Price $4.99 Regular Price $6.99
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- Walker Exhaust System Insulator for 1998 Chevrolet Tracker 1.6L L4Special Price $4.99 Regular Price $6.99
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- Walker Muffler Assm Right Exhaust System Insulator for 2005 Subaru Legacy 2.5L H4Special Price $4.99 Regular Price $6.99
- Walker Converter Rear Exhaust System Insulator for 2001-2008 Ford Escape 3.0L V6Special Price $4.99 Regular Price $6.99
- Walker Exhaust System Insulator for 2009-2013 Mazda 6 2.5L 3.7L L4 V6Special Price $4.99 Regular Price $6.99
- Walker Exhaust System Insulator for 1996 Chevrolet Impala 5.7L V8Special Price $4.99 Regular Price $6.99