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 To Resonator Assm Exhaust Pipe Flange Gasket for 2007-2009 Honda CR-V 2.4L L4Special Price $4.83 Regular Price $6.99
- Walker Front Pipe To Muffler Exhaust Clamp for 1967-1974 GMC G15 G1500 Van 3.8L 4.1L L6Special Price $3.96 Regular Price $5.99
- Walker Front Pipe To Muffler Exhaust Clamp for 1966 GMC PB25 Series 4.1L L6Special Price $3.96 Regular Price $5.99
- Walker Converter To Resonator Assm Exhaust Pipe Flange Gasket for 1992-1994 Eagle Summit 1.8L 2.4L L4Special Price $5.77 Regular Price $7.99
- Walker Converter To Resonator Assm Exhaust Pipe Flange Gasket for 1990-1998 Hyundai Sonata 2.0L 3.0L L4 V6Special Price $6.21 Regular Price $8.99
- Walker Converter To Resonator Assm Exhaust Pipe Flange Gasket for 1997-2006 Honda CR-V 2.0L 2.4L L4Special Price $12.52 Regular Price $17.99
- Walker Converter To Resonator Assm Exhaust Bolt & Spring for 2005 Subaru Legacy 2.5L H4Special Price $12.75 Regular Price $17.99
- Walker Converter To Resonator Assm Exhaust Pipe Flange Gasket for 1991-1993 Nissan NX 2.0L L4Special Price $2.25 Regular Price $2.99
- Walker Converter To Resonator Assm Exhaust Pipe Flange Gasket for 1995-1999 Nissan Sentra 1.6L L4Special Price $2.25 Regular Price $2.99
- Walker Converter To Resonator Assm Exhaust Pipe Flange Gasket for 1995-1998 Nissan 200SX 1.6L L4Special Price $2.25 Regular Price $2.99
- Walker Converter To Resonator Assm Exhaust Pipe Flange Gasket for 1989-1992 Toyota Corolla 1.6L L4Special Price $3.35 Regular Price $4.99
- Walker Converter To Resonator Assm Exhaust Clamp for 1998-2002 Chevrolet Prizm 1.8L L4Special Price $3.71 Regular Price $4.99
- Walker Front Pipe To Muffler Exhaust Clamp for 1971-1974 Chevrolet G30 Van 4.1L 4.8L L6Special Price $3.71 Regular Price $4.99
- Walker Front Pipe To Muffler Exhaust Clamp for 1973-1975 Ford F-250 3.9L 4.9L L6Special Price $3.71 Regular Price $4.99
- Walker Front Pipe To Muffler Exhaust Clamp for 1971-1972 Chevrolet C20 Pickup 4.1L 4.8L L6Special Price $3.71 Regular Price $4.99
- Walker Front Pipe To Muffler Exhaust Clamp for 1963-1967 Chevrolet P20 Series 3.8L 4.1L 4.8L L6Special Price $3.71 Regular Price $4.99
- Walker Front Pipe To Muffler Exhaust Clamp for 1968-1972 Chevrolet P20 Van 4.1L 4.8L L6Special Price $3.71 Regular Price $4.99
- Walker Front Pipe To Muffler Exhaust Clamp for 1967-1972 GMC P25 P2500 Van 4.1L 4.8L L6Special Price $3.96 Regular Price $5.99
- Walker Front Pipe To Muffler Exhaust Clamp for 1967-1970 GMC K15 K1500 Pickup 3.8L 4.1L 4.8L L6Special Price $3.96 Regular Price $5.99
- Walker Front Pipe To Muffler Exhaust Clamp for 1967-1970 Chevrolet K20 Pickup 4.1L 4.8L L6Special Price $3.96 Regular Price $5.99
- Walker Front Pipe To Muffler Exhaust Clamp for 1978 Ford F-350 4.9L L6Special Price $3.96 Regular Price $5.99
- Walker Front Pipe To Muffler Exhaust Clamp for 1967-1974 Chevrolet G20 Van 3.8L 4.1L 4.8L L6Special Price $3.96 Regular Price $5.99