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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Dorman Exhaust Clamp for 1999-2007 Ford F-250 Super Duty 6.0L 7.3L V8Special Price $33.58 Regular Price $34.74
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- Dorman Exhaust Clamp for 1999-2007 Ford F-350 Super Duty 6.0L 7.3L V8Special Price $33.58 Regular Price $33.89
- Dorman Exhaust Clamp for 1999-2002 Ford E-350 Econoline Club Wagon 7.3L V8Special Price $32.91 Regular Price $33.89
- Dorman Exhaust Clamp for 2004-2010 Ford E-350 Super Duty 6.0L V8Special Price $32.91 Regular Price $33.89
- Dorman Exhaust Clamp for 1999-2002 Ford E-350 Econoline Club Wagon 7.3L V8Special Price $33.58 Regular Price $33.89
