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 Extension Pipe Exhaust Clamp for 2011-2014 Ford Edge 3.5L V6Special Price $4.23 Regular Price $5.99
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- Walker Resonator Assm To Extension Pipe Exhaust Pipe Flange Gasket for 1984-1987 Honda Civic 1.3L 1.5L L4Special Price $2.72 Regular Price $3.99
- Walker Resonator Assm To Extension Pipe Exhaust Clamp for 2000-2007 Ford Taurus 3.0L V6Special Price $3.99 Regular Price $5.99
- Walker Resonator Assm To Extension Pipe Exhaust Clamp for 1985-1986 Volvo 740 2.3L L4Special Price $3.99 Regular Price $5.99
- Walker Resonator Assm To Extension Pipe Exhaust Clamp for 1987-1991 Volkswagen Jetta 1.8L 2.0L L4Special Price $4.25 Regular Price $5.99
- Walker Resonator Assm To Extension Pipe Exhaust Clamp for 1985-1986 Volvo 760 2.3L L4Special Price $4.25 Regular Price $5.99
- Walker Muffler Right Exhaust System Insulator for 2008-2011 Subaru Impreza 2.5L H4Special Price $5.26 Regular Price $7.99
- Walker Resonator Assm To Extension Pipe Exhaust Pipe Flange Gasket for 1992-1993 Hyundai Sonata 2.0L 3.0L L4 V6Special Price $5.92 Regular Price $7.99
- Walker Resonator Assm To Extension Pipe Exhaust Pipe Flange Gasket for 2010-2013 Hyundai Tucson 2.0L 2.4L L4Special Price $6.21 Regular Price $8.99
- Walker Resonator Assm To Extension Pipe Exhaust Pipe Flange Gasket for 1988-1991 Honda CRX 1.5L L4Special Price $7.44 Regular Price $10.99
- Walker Muffler Right Exhaust System Insulator for 2007-2012 Lincoln MKZ 3.5L V6Special Price $7.76 Regular Price $10.99
- Walker Muffler Right Exhaust System Insulator for 2003-2008 Pontiac Grand Prix 3.8L V6Special Price $7.76 Regular Price $10.99
- Walker Muffler Right Exhaust System Insulator for 2019 Ford Explorer 3.5L V6Special Price $7.76 Regular Price $10.99
- Walker Muffler Right Exhaust System Insulator for 2003-2008 Hyundai Tiburon 2.0L 2.7L L4 V6Special Price $7.76 Regular Price $10.99
- Walker Muffler Right Exhaust System Insulator for 1992-1995 Ford Taurus 3.8L V6Special Price $8.09 Regular Price $11.99
- Walker Muffler Right Exhaust System Hanger for 1990-1991 GMC K3500 6.2L V8Special Price $9.78 Regular Price $13.99
- Walker Muffler Right Exhaust System Hanger for 1990-1991 Chevrolet V3500 6.2L V8Special Price $9.78 Regular Price $13.99
- Walker Resonator Assm To Extension Pipe Exhaust Pipe Flange Gasket for 2003-2005 Toyota Matrix 1.8L L4Special Price $10.15 Regular Price $13.99
- 2 pc Walker Muffler Right Exhaust System Insulators for 2009-2013 Subaru Forester 2.5L H4Special Price $11.30 Regular Price $15.99
- 2 pc Walker Muffler Right Exhaust System Insulators for 2008-2010 Subaru Impreza 2.5L H4Special Price $11.30 Regular Price $15.99
- Walker Resonator Assm To Extension Pipe Exhaust Bolt & Spring for 1988-1991 Honda CRX 1.5L L4Special Price $12.32 Regular Price $17.99
- Walker Resonator Assm To Extension Pipe Exhaust Bolt & Spring for 1988-1989 Honda Civic 1.5L L4Special Price $12.32 Regular Price $17.99
- Walker Resonator Assm To Extension Pipe Exhaust Bolt & Spring for 2003-2004 Pontiac Vibe 1.8L L4Special Price $12.75 Regular Price $17.99
- Walker Resonator Assm To Extension Pipe Exhaust Bolt & Spring for 2003-2005 Toyota Matrix 1.8L L4Special Price $12.75 Regular Price $17.99
- 2 pc Walker Muffler Right Exhaust System Insulators for 1997-2002 Pontiac Grand Prix 3.8L V6Special Price $16.44 Regular Price $22.99
- 2 pc Walker Muffler Right Exhaust System Insulators for 2000-2005 Chevrolet Monte Carlo 3.8L V6Special Price $16.95 Regular Price $23.99
- 2 pc Walker Muffler Right Exhaust System Insulators for 2006-2011 Chevrolet Impala 3.9L 5.3L V6 V8Special Price $16.95 Regular Price $23.99
- 2 pc Walker Muffler Right Exhaust System Insulators for 1991-1992 Chevrolet Lumina 3.4L V6Special Price $20.51 Regular Price $28.99
- 3 pc Walker Muffler Right Exhaust System Insulators for 2009-2010 Dodge Journey 3.5L V6Special Price $25.80 Regular Price $36.99