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 Int Pipe Front To Rear Exhaust Clamp for 1988-1995 Ford F-350 5.8L 7.5L V8Special Price $4.49 Regular Price $5.99
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- Walker Int Pipe Front To Rear Exhaust Clamp for 1992-1996 Chevrolet G30 5.7L V8Special Price $7.44 Regular Price $10.99
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- 2 pc Walker Muffler Assm Right Exhaust System Insulators for 2007-2017 Lexus ES350 3.5L V6Special Price $10.91 Regular Price $15.99
- 2 pc Walker Muffler Assm Right Exhaust System Insulators for 2006-2009 Subaru Outback 2.5L H4Special Price $11.30 Regular Price $15.99
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