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 Resonator Assm To Muffler Assm Exhaust Pipe Flange Gasket for 2001-2005 Lexus IS300 3.0L L6Special Price $20.55 Regular Price $28.99
- Walker Resonator Assm To Muffler Assm Exhaust Pipe Flange Gasket for 2010-2012 Hyundai Santa Fe 2.4L L4Special Price $2.56 Regular Price $3.99
- Walker Resonator Assm To Muffler Assm Exhaust Clamp for 1991 Volvo 780 2.3L L4Special Price $3.96 Regular Price $5.99
- Walker Int Pipe Exhaust System Insulator for 1983-1985 Toyota Celica 2.4L 2.8L L4 L6Special Price $5.26 Regular Price $7.99
- Walker Resonator Assm To Muffler Assm Exhaust Pipe Flange Gasket for 2006-2007 Subaru Impreza 2.5L H4Special Price $6.21 Regular Price $8.99
- Walker Resonator Assm To Muffler Assm Exhaust Pipe Flange Gasket for 2004-2006 Lexus ES330 3.3L V6Special Price $6.32 Regular Price $8.99
- Walker Int Pipe Exhaust System Insulator for 2009-2016 Ford E-350 Super Duty 5.4L V8Special Price $7.76 Regular Price $10.99
- Walker Int Pipe Exhaust System Insulator for 1993-1994 Plymouth Laser 2.0L L4Special Price $7.76 Regular Price $10.99
- Walker Int Pipe Exhaust System Insulator for 1989-1992 Ford Probe 2.2L 3.0L L4 V6Special Price $8.09 Regular Price $11.99
- Walker Int Pipe Exhaust System Insulator for 2005-2009 Buick LaCrosse 3.8L V6Special Price $8.09 Regular Price $11.99
- Walker Int Pipe Exhaust System Insulator for 2004-2006 Ford Econoline 5.4L V8Special Price $9.51 Regular Price $13.99
- Walker Int Pipe Exhaust System Insulator for 2004 Ford E-350 Club Wagon 5.4L V8Special Price $9.87 Regular Price $13.99
- Walker Int Pipe Exhaust System Hanger for 1987 Chevrolet V10 5.0L V8Special Price $10.15 Regular Price $13.99
- Walker Resonator Assm To Muffler Assm Exhaust Pipe Flange Gasket for 2000-2004 Toyota Avalon 3.0L V6Special Price $10.89 Regular Price $15.99
- 2 pc Walker Int Pipe Exhaust System Insulators for 2005-2007 Pontiac G6 2.4L 3.5L L4 V6Special Price $10.91 Regular Price $15.99
- 2 pc Walker Int Pipe Exhaust System Insulators for 1995-2000 Mitsubishi Montero 3.0L 3.5L V6Special Price $16.44 Regular Price $22.99
- Walker Resonator Assm To Muffler Assm Exhaust Pipe Flange Gasket for 2011-2013 Kia Sorento 2.4L L4Special Price $2.56 Regular Price $3.99
- Walker Resonator Assm To Muffler Assm Exhaust Pipe Flange Gasket for 1985-1987 Honda Prelude 2.0L L4Special Price $2.61 Regular Price $3.99
- Walker Resonator Assm To Muffler Assm Exhaust Pipe Flange Gasket for 1989 Toyota Celica 2.0L L4Special Price $3.35 Regular Price $4.99
- Walker Resonator Assm To Muffler Assm Exhaust Pipe Flange Gasket for 1998-2005 Toyota RAV4 2.0L 2.4L L4Special Price $3.35 Regular Price $4.99
- Walker Resonator Assm To Muffler Assm Exhaust Pipe Flange Gasket for 2002-2003 Mazda Protege5 2.0L L4Special Price $3.35 Regular Price $4.99
- Walker Resonator Assm To Muffler Assm Exhaust Pipe Flange Gasket for 2001-2003 Mazda Protege 2.0L L4Special Price $3.35 Regular Price $4.99
- Walker Resonator Assm To Muffler Assm Exhaust Pipe Flange Gasket for 1995 Mazda Millenia 2.3L 2.5L V6Special Price $3.59 Regular Price $4.99
- Walker Resonator Assm To Muffler Assm Exhaust Pipe Flange Gasket for 1990-2002 Honda Accord 2.2L 2.3L L4Special Price $3.59 Regular Price $4.99
- Walker Resonator Assm To Muffler Assm Exhaust Pipe Flange Gasket for 1988-2011 Toyota Camry 2.0L 2.4L 2.5L L4Special Price $3.59 Regular Price $4.99
- Walker Resonator Assm To Muffler Assm Exhaust Clamp for 1982-1983 Mercedes-Benz 380SEC 3.8L V8Special Price $3.71 Regular Price $4.99