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 Y-Pipe Exhaust Clamp for 1997-1999 Buick Park Avenue 3.8L V6Special Price $3.99 Regular Price $5.99
- Walker Int Pipe To Converter Exhaust Pipe Flange Gasket for 1991-1996 Nissan Sentra 1.6L L4Special Price $2.25 Regular Price $2.99
- Walker Int Pipe To Converter Exhaust Pipe Flange Gasket for 1995-1996 Nissan 200SX 1.6L L4Special Price $2.25 Regular Price $2.99
- Walker Int Pipe To Converter Exhaust Pipe Flange Gasket for 1986-1988 Nissan Stanza 2.0L L4Special Price $2.56 Regular Price $3.99
- Walker Resonator Assm To Y-Pipe Exhaust Clamp for 2007-2009 Nissan Altima 2.5L L4Special Price $3.71 Regular Price $4.99
- Walker Resonator Assm To Y-Pipe Exhaust Clamp for 1995-1999 Buick Riviera 3.8L V6Special Price $3.99 Regular Price $5.99
- Walker Resonator Assm To Y-Pipe Exhaust Clamp for 1995-1998 Oldsmobile Aurora 4.0L V8Special Price $3.99 Regular Price $5.99
- Walker Resonator Assm To Y-Pipe Exhaust Clamp for 2008-2012 Honda Accord 3.5L V6Special Price $3.99 Regular Price $4.25
- Walker Resonator Assm To Y-Pipe Exhaust Clamp for 2004-2008 Acura TL 3.2L V6Special Price $4.25 Regular Price $5.99
- Walker Int Pipe To Converter Exhaust Pipe Flange Gasket for 1989-1995 Nissan Pathfinder 3.0L V6Special Price $4.52 Regular Price $5.99
- Walker Resonator Assm To Y-Pipe Exhaust Pipe Flange Gasket for 2006-2010 Kia Optima 2.7L V6Special Price $5.92 Regular Price $7.99
- Walker Resonator Assm To Y-Pipe Exhaust Pipe Flange Gasket for 2003-2008 Hyundai Tiburon 2.0L 2.7L L4 V6Special Price $6.21 Regular Price $8.99
- Walker Int Pipe To Converter Exhaust Clamp for 1990 Chevrolet C3500 5.7L V8Special Price $7.12 Regular Price $9.99
- Walker Int Pipe To Converter Exhaust Bolt & Spring for 1990-1991 Honda Civic 1.6L L4Special Price $12.32 Regular Price $17.99
- Walker Int Pipe To Converter Exhaust Bolt & Spring for 1990-1993 Acura Integra 1.8L L4Special Price $12.75 Regular Price $17.99