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 Left Exhaust Clamp for 1982-1986 Chevrolet C20 6.2L V8Special Price $3.99 Regular Price $5.99
- Walker Left Exhaust Clamp for 1967-1972 Oldsmobile Cutlass Supreme 5.4L 5.7L 7.5L V8Special Price $3.71 Regular Price $4.99
- Walker Left Exhaust Clamp for 2007-2015 Nissan Armada 5.6L V8Special Price $3.71 Regular Price $4.99
- Walker Left Exhaust Clamp for 1965-1972 Oldsmobile Cutlass 5.4L 5.7L 6.6L 7.5L V8Special Price $3.71 Regular Price $4.99
- Walker Left Exhaust Clamp for 2010-2013 Mazda 3 2.3L 2.5L L4Special Price $3.71 Regular Price $4.99
- Walker Left Exhaust Clamp for 1970-1972 Buick Skylark 5.7L V8Special Price $3.96 Regular Price $5.99
- Walker Left Exhaust Clamp for 1996 Chevrolet Caprice 5.7L V8Special Price $3.96 Regular Price $5.99
- Walker Left Exhaust Clamp for 1996 Chevrolet Impala 5.7L V8Special Price $3.96 Regular Price $5.99
- Walker Left Exhaust Clamp for 1982-1986 GMC C2500 6.2L V8Special Price $3.99 Regular Price $5.99
- Walker Left Exhaust Clamp for 1975-1978 GMC P35 5.7L V8Special Price $3.99 Regular Price $5.99
- Walker Left Exhaust Clamp for 1987-1989 GMC R2500 6.2L V8Special Price $3.99 Regular Price $5.99
- Walker Left Exhaust Clamp for 1988 Chevrolet R30 6.2L V8Special Price $3.99 Regular Price $5.99
- Walker Left Exhaust Clamp for 1987 GMC R1500 6.2L V8Special Price $3.99 Regular Price $5.99
- Walker Left Exhaust Clamp for 1977-1978 GMC K35 5.7L 6.6L V8Special Price $4.23 Regular Price $5.99
- Walker Left Exhaust Clamp for 1978 GMC C15 5.7L V8Special Price $4.23 Regular Price $5.99
- Walker Left Exhaust Clamp for 1987 Chevrolet V20 6.2L V8Special Price $4.23 Regular Price $5.99
- Walker Left Exhaust Clamp for 1976-1978 Chevrolet K5 Blazer 5.7L 6.6L V8Special Price $4.23 Regular Price $5.99
- Walker Left Exhaust Clamp for 1984-1986 GMC K2500 6.2L V8Special Price $4.23 Regular Price $5.99
- Walker Left Exhaust Clamp for 1987 Chevrolet V10 6.2L V8Special Price $4.23 Regular Price $5.99
- Walker Left Exhaust Clamp for 1975-1978 Chevrolet P30 5.7L V8Special Price $4.23 Regular Price $5.99
- Walker Left Exhaust Clamp for 1975-1978 GMC P35 5.7L V8Special Price $4.23 Regular Price $5.99
- Walker Left Exhaust Clamp for 1987 GMC V2500 6.2L V8Special Price $4.23 Regular Price $5.99
- Walker Left Exhaust Clamp for 2004-2006 Dodge Durango 5.7L V8Special Price $4.25 Regular Price $5.99
- Walker Left Exhaust Clamp for 1987-1988 Chevrolet R20 6.2L V8Special Price $4.25 Regular Price $5.99
- Walker Left Exhaust Clamp for 1988-1991 GMC R3500 6.2L V8Special Price $4.25 Regular Price $5.99
- Walker Left Exhaust Clamp for 1989-1991 Chevrolet R3500 6.2L V8Special Price $4.25 Regular Price $5.99
- Walker Left Exhaust Clamp for 1982-1986 Chevrolet C10 6.2L V8Special Price $4.25 Regular Price $5.99
- Walker Left Exhaust Clamp for 2005-2006 Nissan Armada 5.6L V8Special Price $4.25 Regular Price $5.99
- Walker Left Exhaust Clamp for 1984-1986 GMC C2500 6.2L V8Special Price $4.49 Regular Price $5.99
- Walker Left Exhaust Clamp for 2003-2006 Hummer H2 6.0L V8Special Price $4.49 Regular Price $5.99
- Walker Left Exhaust Clamp for 1978-1986 Chevrolet C10 5.7L 6.2L V8Special Price $4.49 Regular Price $5.99