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 Exhaust System Hanger for 1971-1982 Cadillac Fleetwood 4.1L 7.7L V6 V8Special Price $9.78 Regular Price $13.99
- Walker Exhaust System Hanger for 1987 Chevrolet R10 Suburban 5.0L V8Special Price $10.15 Regular Price $13.99
- Walker Int Pipe Rear Exhaust System Hanger for 1982-1987 GMC P3500 5.7L V8Special Price $10.15 Regular Price $13.99
- Walker Int Pipe Right Exhaust System Hanger for 1975-1978 GMC P35 7.4L V8Special Price $10.15 Regular Price $13.99
- Walker Muffler Exhaust System Hanger for 1988-1989 GMC V3500 6.2L V8Special Price $10.15 Regular Price $13.99
- Walker Exhaust System Hanger for 1975-1986 Chevrolet C20 4.1L 4.8L 5.0L 5.7L 6.2L L6 V8Special Price $10.15 Regular Price $13.99
- Walker Right Exhaust System Hanger for 1981-1986 GMC K3500 7.4L V8Special Price $10.15 Regular Price $13.99
- Walker Exhaust Flange for 1961-1963 GMC 2500 Series 5.0L V6Special Price $10.36 Regular Price $14.99
- Walker Exhaust Flange for 1967-1968 Chevrolet G20 Van 4.6L 5.0L V8Special Price $10.36 Regular Price $14.99
- Walker Converter To Int Pipe Exhaust Flange for 1984-1986 Ford LTD 3.8L V6Special Price $15.39 Regular Price $21.99
- 2 pc Walker Exhaust System Hangers for 1976-1978 GMC Jimmy 5.7L 6.6L V8Special Price $20.48 Regular Price $28.99
- 2 pc Walker Front Pipe Left Exhaust System Hangers for 1975-1978 GMC C35 7.4L V8Special Price $20.48 Regular Price $28.99
- 2 pc Walker Front Pipe Right Exhaust System Hangers for 1979-1986 GMC C3500 6.2L 7.4L V8Special Price $21.06 Regular Price $29.99
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- Walker Tail Pipe Exhaust System Hanger for 1983-1984 Volkswagen Rabbit 1.7L L4Special Price $5.13 Regular Price $6.99
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- Walker Tail Pipe Exhaust System Hanger for 1977-1980 Volkswagen Scirocco 1.5L 1.6L L4Special Price $5.13 Regular Price $5.41
