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 Converter Inlet Exhaust Bolt & Spring for 2003-2019 Toyota Corolla 1.8L L4Special Price $19.44 Regular Price $27.99
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- Walker Exhaust Bolt & Spring for 1975-1977 Oldsmobile Omega 4.3L 5.7L V8Special Price $14.64 Regular Price $20.99
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- Fel-Pro 17555 Exhaust Manifold Heat Exchanger GasketSpecial Price $12.16 Regular Price $16.99
- Walker Front Pipe To Int Pipe Exhaust Bolt & Spring for 1990-1993 Acura Integra 1.8L L4Special Price $12.32 Regular Price $17.99
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- Walker Rear Converter To Resonator Exhaust Bolt & Spring for 2009-2016 Subaru Forester 2.5L H4Special Price $12.32 Regular Price $17.99
- Walker Rear Converter To Resonator Exhaust Bolt & Spring for 2010-2017 Subaru Outback 2.5L H4Special Price $12.32 Regular Price $17.99
- Walker Rear Converter To Resonator Assm Exhaust Bolt & Spring for 2006-2011 Subaru Impreza 2.5L H4Special Price $12.32 Regular Price $17.99
- Walker Converter Inlet Exhaust Bolt & Spring for 2003-2011 Honda Element 2.4L L4Special Price $12.32 Regular Price $17.99
- Walker Front Pipe To Resonator Assm Exhaust Bolt & Spring for 1984-2000 Honda Civic 1.3L 1.5L 1.6L L4Special Price $12.32 Regular Price $17.99
- Walker Front Converter To Rear Converter Exhaust Bolt & Spring for 2007-2012 Acura RDX 2.3L L4Special Price $12.32 Regular Price $17.99
- Walker Resonator Assm To Muffler Assm Exhaust Bolt & Spring for 1988-2015 Honda Civic 1.3L 1.5L 1.6L 1.7L 1.8L 2.0L L4Special Price $12.32 Regular Price $17.99
- Walker Resonator Assm To Muffler Assm Exhaust Bolt & Spring for 1997-2014 Honda CR-V 2.0L 2.4L L4Special Price $12.32 Regular Price $17.99
- Walker Rear Converter To Resonator Exhaust Bolt & Spring for 2010-2017 Subaru Legacy 2.5L H4Special Price $12.32 Regular Price $17.99
- Walker Front Pipe To Int Pipe Exhaust Bolt & Spring for 1984-1991 Honda Civic 1.3L 1.5L L4Special Price $12.32 Regular Price $17.99
- Walker Converter To Resonator Assm Exhaust Bolt & Spring for 1984-1987 Honda Wagovan 1.5L L4Special Price $12.32 Regular Price $17.99
- Walker Muffler Assm Front To Rear Exhaust Bolt & Spring for 2001-2003 Toyota Sienna 3.0L V6Special Price $12.32 Regular Price $17.99
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